12-4+15=x

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Solution for 12-4+15=x equation:


Simplifying
12 + -4 + 15 = x

Combine like terms: 12 + -4 = 8
8 + 15 = x

Combine like terms: 8 + 15 = 23
23 = x

Solving
23 = x

Solving for variable 'x'.

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

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

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

Add '-23' to each side of the equation.
23 + -23 + -1x = 0 + -23

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

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

Divide each side by '-1'.
x = 23

Simplifying
x = 23

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