12x-84=x+4

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Solution for 12x-84=x+4 equation:


Simplifying
12x + -84 = x + 4

Reorder the terms:
-84 + 12x = x + 4

Reorder the terms:
-84 + 12x = 4 + x

Solving
-84 + 12x = 4 + 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.
-84 + 12x + -1x = 4 + x + -1x

Combine like terms: 12x + -1x = 11x
-84 + 11x = 4 + x + -1x

Combine like terms: x + -1x = 0
-84 + 11x = 4 + 0
-84 + 11x = 4

Add '84' to each side of the equation.
-84 + 84 + 11x = 4 + 84

Combine like terms: -84 + 84 = 0
0 + 11x = 4 + 84
11x = 4 + 84

Combine like terms: 4 + 84 = 88
11x = 88

Divide each side by '11'.
x = 8

Simplifying
x = 8

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