-84=4x-4

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Solution for -84=4x-4 equation:


Simplifying
-84 = 4x + -4

Reorder the terms:
-84 = -4 + 4x

Solving
-84 = -4 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-84 + -4x = -4 + 4x + -4x

Combine like terms: 4x + -4x = 0
-84 + -4x = -4 + 0
-84 + -4x = -4

Add '84' to each side of the equation.
-84 + 84 + -4x = -4 + 84

Combine like terms: -84 + 84 = 0
0 + -4x = -4 + 84
-4x = -4 + 84

Combine like terms: -4 + 84 = 80
-4x = 80

Divide each side by '-4'.
x = -20

Simplifying
x = -20

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