12-8=x+5

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Solution for 12-8=x+5 equation:


Simplifying
12 + -8 = x + 5

Combine like terms: 12 + -8 = 4
4 = x + 5

Reorder the terms:
4 = 5 + x

Solving
4 = 5 + 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.
4 + -1x = 5 + x + -1x

Combine like terms: x + -1x = 0
4 + -1x = 5 + 0
4 + -1x = 5

Add '-4' to each side of the equation.
4 + -4 + -1x = 5 + -4

Combine like terms: 4 + -4 = 0
0 + -1x = 5 + -4
-1x = 5 + -4

Combine like terms: 5 + -4 = 1
-1x = 1

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

Simplifying
x = -1

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