2x-4=12x-81

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Solution for 2x-4=12x-81 equation:


Simplifying
2x + -4 = 12x + -81

Reorder the terms:
-4 + 2x = 12x + -81

Reorder the terms:
-4 + 2x = -81 + 12x

Solving
-4 + 2x = -81 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-4 + 2x + -12x = -81 + 12x + -12x

Combine like terms: 2x + -12x = -10x
-4 + -10x = -81 + 12x + -12x

Combine like terms: 12x + -12x = 0
-4 + -10x = -81 + 0
-4 + -10x = -81

Add '4' to each side of the equation.
-4 + 4 + -10x = -81 + 4

Combine like terms: -4 + 4 = 0
0 + -10x = -81 + 4
-10x = -81 + 4

Combine like terms: -81 + 4 = -77
-10x = -77

Divide each side by '-10'.
x = 7.7

Simplifying
x = 7.7

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