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    Overview: 1 questions will be solved this time.Among them
           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation (1/(s+0.5))+(1/(s+1)) = (1/(s+0.05))+(1/(s+2))+(1/s)+(1/(s+0.1)) .
    Question type: Equation
    Solution:Original question:
     (1 ÷ ( s +
1
2
)) + (1 ÷ ( s + 1)) = (1 ÷ ( s +
1
20
)) + (1 ÷ ( s + 2)) + (1 ÷ s ) + (1 ÷ ( s +
1
10
))
    Remove a bracket on the left of the equation::
     1 ÷ ( s +
1
2
) + (1 ÷ ( s + 1)) = (1 ÷ ( s +
1
20
)) + (1 ÷ ( s + 2)) + (1 ÷ s ) + (1 ÷ ( s +
1
10
))
    Remove a bracket on the right of the equation::
     1 ÷ ( s +
1
2
) + (1 ÷ ( s + 1)) = 1 ÷ ( s +
1
20
) + (1 ÷ ( s + 2)) + (1 ÷ s ) + (1 ÷ ( s +
1
10
))
     Multiply both sides of the equation by:( s +
1
2
) ,  ( s +
1
20
)
     1( s +
1
20
) + (1 ÷ ( s + 1))( s +
1
2
)( s +
1
20
) = 1( s +
1
2
) + (1 ÷ ( s + 2))( s +
1
2
)( s +
1
20
) + (1 ÷ s )( s +
1
2
)( s +
1
20
) + (1 ÷ ( s +
1
10
))( s +
1
2
)( s +
1
20
)
    Remove a bracket on the left of the equation:
     1 s + 1 ×
1
20
+ (1 ÷ ( s + 1))( s +
1
2
)( s +
1
20
) = 1( s +
1
2
) + (1 ÷ ( s + 2))( s +
1
2
)( s +
1
20
) + (1 ÷ s )( s +
1
2
)( s +
1
20
) + (1 ÷ ( s +
1
10
))( s +
1
2
)( s +
1
20
)
    Remove a bracket on the right of the equation::
     1 s + 1 ×
1
20
+ (1 ÷ ( s + 1))( s +
1
2
)( s +
1
20
) = 1 s + 1 ×
1
2
+ (1 ÷ ( s + 2))( s +
1
2
)( s +
1
20
) + (1 ÷ s )( s +
1
2
)( s +
1
20
) + (1 ÷ ( s +
1
10
))( s +
1
2
)
    The equation is reduced to :
     1 s +
1
20
+ (1 ÷ ( s + 1))( s +
1
2
)( s +
1
20
) = 1 s +
1
2
+ (1 ÷ ( s + 2))( s +
1
2
)( s +
1
20
) + (1 ÷ s )( s +
1
2
)( s +
1
20
) + (1 ÷ ( s +
1
10
))( s +
1
2
)( s +
1
20
)
    Remove a bracket on the left of the equation:
     1 s +
1
20
+ 1 ÷ ( s + 1) × ( s +
1
2
)( s +
1
20
) = 1 s +
1
2
+ (1 ÷ ( s + 2))( s +
1
2
)( s +
1
20
) + (1 ÷ s )( s +
1
2
)( s +
1
20
) + (1 ÷ ( s +
1
10
))( s +
1
2
)( s +
1
20
)
    Remove a bracket on the right of the equation::
     1 s +
1
20
+ 1 ÷ ( s + 1) × ( s +
1
2
)( s +
1
20
) = 1 s +
1
2
+ 1 ÷ ( s + 2) × ( s +
1
2
)( s +
1
20
) + (1 ÷ s )( s +
1
2
)( s +
1
20
) + (1 ÷ ( s +
1
10
))( s +
1
2
)
     Multiply both sides of the equation by:( s + 1) ,  ( s + 2)
     1 s ( s + 1)( s + 2) +
1
20
( s + 1)( s + 2) + 1( s +
1
2
)( s +
1
20
)( s + 2) = 1 s ( s + 1)( s + 2) +
1
2
( s + 1)( s + 2) + 1( s +
1
2
)( s +
1
20
)( s + 1) + (1 ÷ s )
    Remove a bracket on the left of the equation:
     1 s s ( s + 2) + 1 s × 1( s + 2) +
1
20
( s + 1)( s + 2) + 1 = 1 s ( s + 1)( s + 2) +
1
2
( s + 1)( s + 2) + 1( s +
1
2
)( s +
1
20
)( s + 1) + (1 ÷ s )
    Remove a bracket on the right of the equation::
     1 s s ( s + 2) + 1 s × 1( s + 2) +
1
20
( s + 1)( s + 2) + 1 = 1 s s ( s + 2) + 1 s × 1( s + 2) +
1
2
( s + 1)( s + 2) + 1
    The equation is reduced to :
     1 s s ( s + 2) + 1 s ( s + 2) +
1
20
( s + 1)( s + 2) + 1( s +
1
2
) = 1 s s ( s + 2) + 1 s ( s + 2) +
1
2
( s + 1)( s + 2) + 1( s +
1
2
)
    Remove a bracket on the left of the equation:
     1 s s s + 1 s s × 2 + 1 s ( s + 2) +
1
20
= 1 s s ( s + 2) + 1 s ( s + 2) +
1
2
( s + 1)( s + 2) + 1( s +
1
2
)
    Remove a bracket on the right of the equation::
     1 s s s + 1 s s × 2 + 1 s ( s + 2) +
1
20
= 1 s s s + 1 s s × 2 + 1 s ( s + 2) +
1
2
    The equation is reduced to :
     1 s s s + 2 s s + 1 s ( s + 2) +
1
20
( s + 1) = 1 s s s + 2 s s + 1 s ( s + 2) +
1
2
( s + 1)
    Remove a bracket on the left of the equation:
     1 s s s + 2 s s + 1 s s + 1 s = 1 s s s + 2 s s + 1 s ( s + 2) +
1
2
( s + 1)
    Remove a bracket on the right of the equation::
     1 s s s + 2 s s + 1 s s + 1 s = 1 s s s + 2 s s + 1 s s + 1 s
    The equation is reduced to :
     1 s s s + 2 s s + 1 s s + 2 s = 1 s s s + 2 s s + 1 s s + 2 s
    Remove a bracket on the left of the equation:
     1 s s s + 2 s s + 1 s s + 2 s = 1 s s s + 2 s s + 1 s s + 2 s
    Remove a bracket on the right of the equation::
     1 s s s + 2 s s + 1 s s + 2 s = 1 s s s + 2 s s + 1 s s + 2 s
    The equation is reduced to :
     1 s s s + 2 s s + 1 s s + 2 s = 1 s s s + 2 s s + 1 s s + 2 s

    
        s≈-0.639820 , keep 6 decimal places
    
    There are 1 solution(s).


解一元一次方程的详细方法请参阅:《一元一次方程的解法》



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