84-7x=5x-12

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Solution for 84-7x=5x-12 equation:


Simplifying
84 + -7x = 5x + -12

Reorder the terms:
84 + -7x = -12 + 5x

Solving
84 + -7x = -12 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
84 + -7x + -5x = -12 + 5x + -5x

Combine like terms: -7x + -5x = -12x
84 + -12x = -12 + 5x + -5x

Combine like terms: 5x + -5x = 0
84 + -12x = -12 + 0
84 + -12x = -12

Add '-84' to each side of the equation.
84 + -84 + -12x = -12 + -84

Combine like terms: 84 + -84 = 0
0 + -12x = -12 + -84
-12x = -12 + -84

Combine like terms: -12 + -84 = -96
-12x = -96

Divide each side by '-12'.
x = 8

Simplifying
x = 8

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