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           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation (13800*2-1314.29-8500-1000-6000-200-(8500+1000+6000+200)*(10%+20%))*x-(8500+1000+6000+200+(8500+1000+6000+200)*(10%+20%)*0.7 ) = 1715.4 .
    Question type: Equation
    Solution:Original question:
     (13800 × 2
131429
100
850010006000200(8500 + 1000 + 6000 + 200)(
10
100
+
20
100
)) x (8500 + 1000 + 6000 + 200 + (8500 + 1000 + 6000 + 200)(
10
100
+
20
100
) ×
7
10
) =
8577
5
    Remove the bracket on the left of the equation:
     Left side of the equation = 13800 × 2 x
131429
100
x 8500 x 1000 x 6000 x 200
                                             = 27600 x
131429
100
x 8500 x 1000 x 6000 x 200 x
                                             =
1058571
100
x (8500 + 1000 + 6000 + 200)(
10
100
+
20
100
) x (8500 + 1000 + 6000 + 200 + (8500 + 1000 + 6000 + 200)(
10
100
+
20
100
) ×
7
10
)
                                             =
1058571
100
x 8500(
10
100
+
20
100
) x 1000(
10
100
+
20
100
) x 6000(
10
100
+
20
100
) x 200
                                             =
1058571
100
x 8500 ×
10
100
x 8500 ×
20
100
x 1000(
10
100
+
20
100
) x 6000
                                             =
1058571
100
x 850 x 1700 x 1000(
10
100
+
20
100
) x 6000(
10
100
+
20
100
) x
                                             =
803571
100
x 1000(
10
100
+
20
100
) x 6000(
10
100
+
20
100
) x 200(
10
100
+
20
100
) x (8500 + 1000 + 6000 + 200 + (8500 + 1000 + 6000 + 200)(
10
100
+
20
100
) ×
7
10
)
                                             =
803571
100
x 1000 ×
10
100
x 1000 ×
20
100
x 6000(
10
100
+
20
100
) x 200
                                             =
803571
100
x 100 x 200 x 6000(
10
100
+
20
100
) x 200(
10
100
+
20
100
) x
                                             =
773571
100
x 6000(
10
100
+
20
100
) x 200(
10
100
+
20
100
) x (8500 + 1000 + 6000 + 200 + (8500 + 1000 + 6000 + 200)(
10
100
+
20
100
) ×
7
10
)
                                             =
773571
100
x 6000 ×
10
100
x 6000 ×
20
100
x 200(
10
100
+
20
100
) x (8500 + 1000 + 6000 + 200 + (8500 + 1000 + 6000 + 200)(
10
100
+
20
100
) ×
7
10
)
                                             =
773571
100
x 600 x 1200 x 200(
10
100
+
20
100
) x (8500 + 1000 + 6000 + 200 + (8500 + 1000 + 6000 + 200)(
10
100
+
20
100
) ×
7
10
)
                                             =
593571
100
x 200(
10
100
+
20
100
) x (8500 + 1000 + 6000 + 200 + (8500 + 1000 + 6000 + 200)(
10
100
+
20
100
) ×
7
10
)
                                             =
593571
100
x 200 ×
10
100
x 200 ×
20
100
x (8500 + 1000 + 6000 + 200 + (8500 + 1000 + 6000 + 200)(
10
100
+
20
100
) ×
7
10
)
                                             =
593571
100
x 20 x 40 x (8500 + 1000 + 6000 + 200 + (8500 + 1000 + 6000 + 200)(
10
100
+
20
100
) ×
7
10
)
                                             =
587571
100
x (8500 + 1000 + 6000 + 200 + (8500 + 1000 + 6000 + 200)(
10
100
+
20
100
) ×
7
10
)
                                             =
587571
100
x 850010006000200(8500 + 1000 + 6000 + 200)(
10
100
+
20
100
) ×
7
10
                                             =
587571
100
x 15700(8500 + 1000 + 6000 + 200)(
10
100
+
20
100
) ×
7
10
                                             =
587571
100
x 157008500(
10
100
+
20
100
) ×
7
10
1000(
10
100
+
20
100
) ×
7
10
6000(
10
100
+
20
100
) ×
7
10
                                             =
587571
100
x 157005950(
10
100
+
20
100
)700(
10
100
+
20
100
)4200(
10
100
+
20
100
)140(
10
100
+
20
100
)
                                             =
587571
100
x 157005950 ×
10
100
5950 ×
20
100
700(
10
100
+
20
100
)4200(
10
100
+
20
100
)140
                                             =
587571
100
x 157005951190700(
10
100
+
20
100
)4200(
10
100
+
20
100
)140(
10
100
+
20
100
)
                                             =
587571
100
x 17485700(
10
100
+
20
100
)4200(
10
100
+
20
100
)140(
10
100
+
20
100
)
                                             =
587571
100
x 17485700 ×
10
100
700 ×
20
100
4200(
10
100
+
20
100
)140(
10
100
+
20
100
)
                                             =
587571
100
x 17485701404200(
10
100
+
20
100
)140(
10
100
+
20
100
)

    
        x≈3.525089 , keep 6 decimal places
    
    There are 1 solution(s).


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