-15=x-81

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Solution for -15=x-81 equation:


Simplifying
-15 = x + -81

Reorder the terms:
-15 = -81 + x

Solving
-15 = -81 + 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.
-15 + -1x = -81 + x + -1x

Combine like terms: x + -1x = 0
-15 + -1x = -81 + 0
-15 + -1x = -81

Add '15' to each side of the equation.
-15 + 15 + -1x = -81 + 15

Combine like terms: -15 + 15 = 0
0 + -1x = -81 + 15
-1x = -81 + 15

Combine like terms: -81 + 15 = -66
-1x = -66

Divide each side by '-1'.
x = 66

Simplifying
x = 66

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