3x+84=11x-12

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Solution for 3x+84=11x-12 equation:


Simplifying
3x + 84 = 11x + -12

Reorder the terms:
84 + 3x = 11x + -12

Reorder the terms:
84 + 3x = -12 + 11x

Solving
84 + 3x = -12 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
84 + 3x + -11x = -12 + 11x + -11x

Combine like terms: 3x + -11x = -8x
84 + -8x = -12 + 11x + -11x

Combine like terms: 11x + -11x = 0
84 + -8x = -12 + 0
84 + -8x = -12

Add '-84' to each side of the equation.
84 + -84 + -8x = -12 + -84

Combine like terms: 84 + -84 = 0
0 + -8x = -12 + -84
-8x = -12 + -84

Combine like terms: -12 + -84 = -96
-8x = -96

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

Simplifying
x = 12

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