12-x=82

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Solution for 12-x=82 equation: 


Simplifying
12 + -1x = 82

Solving
12 + -1x = 82

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -1x = 82 + -12

Combine like terms: 12 + -12 = 0
0 + -1x = 82 + -12
-1x = 82 + -12

Combine like terms: 82 + -12 = 70
-1x = 70

Divide each side by '-1'.
x = -70

Simplifying
x = -70

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