115=12-x

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Solution for 115=12-x equation:


Simplifying
115 = 12 + -1x

Solving
115 = 12 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
115 + x = 12 + -1x + x

Combine like terms: -1x + x = 0
115 + x = 12 + 0
115 + x = 12

Add '-115' to each side of the equation.
115 + -115 + x = 12 + -115

Combine like terms: 115 + -115 = 0
0 + x = 12 + -115
x = 12 + -115

Combine like terms: 12 + -115 = -103
x = -103

Simplifying
x = -103

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