12x-91=8x-55

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Solution for 12x-91=8x-55 equation:


Simplifying
12x + -91 = 8x + -55

Reorder the terms:
-91 + 12x = 8x + -55

Reorder the terms:
-91 + 12x = -55 + 8x

Solving
-91 + 12x = -55 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-91 + 12x + -8x = -55 + 8x + -8x

Combine like terms: 12x + -8x = 4x
-91 + 4x = -55 + 8x + -8x

Combine like terms: 8x + -8x = 0
-91 + 4x = -55 + 0
-91 + 4x = -55

Add '91' to each side of the equation.
-91 + 91 + 4x = -55 + 91

Combine like terms: -91 + 91 = 0
0 + 4x = -55 + 91
4x = -55 + 91

Combine like terms: -55 + 91 = 36
4x = 36

Divide each side by '4'.
x = 9

Simplifying
x = 9

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