x+(x-31)=125

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Solution for x+(x-31)=125 equation:


Simplifying
x + (x + -31) = 125

Reorder the terms:
x + (-31 + x) = 125

Remove parenthesis around (-31 + x)
x + -31 + x = 125

Reorder the terms:
-31 + x + x = 125

Combine like terms: x + x = 2x
-31 + 2x = 125

Solving
-31 + 2x = 125

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '31' to each side of the equation.
-31 + 31 + 2x = 125 + 31

Combine like terms: -31 + 31 = 0
0 + 2x = 125 + 31
2x = 125 + 31

Combine like terms: 125 + 31 = 156
2x = 156

Divide each side by '2'.
x = 78

Simplifying
x = 78

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