138-x=138-115

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Solution for 138-x=138-115 equation:


Simplifying
138 + -1x = 138 + -115

Combine like terms: 138 + -115 = 23
138 + -1x = 23

Solving
138 + -1x = 23

Solving for variable 'x'.

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

Add '-138' to each side of the equation.
138 + -138 + -1x = 23 + -138

Combine like terms: 138 + -138 = 0
0 + -1x = 23 + -138
-1x = 23 + -138

Combine like terms: 23 + -138 = -115
-1x = -115

Divide each side by '-1'.
x = 115

Simplifying
x = 115

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