12x-8=5x-15

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Solution for 12x-8=5x-15 equation:


Simplifying
12x + -8 = 5x + -15

Reorder the terms:
-8 + 12x = 5x + -15

Reorder the terms:
-8 + 12x = -15 + 5x

Solving
-8 + 12x = -15 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-8 + 12x + -5x = -15 + 5x + -5x

Combine like terms: 12x + -5x = 7x
-8 + 7x = -15 + 5x + -5x

Combine like terms: 5x + -5x = 0
-8 + 7x = -15 + 0
-8 + 7x = -15

Add '8' to each side of the equation.
-8 + 8 + 7x = -15 + 8

Combine like terms: -8 + 8 = 0
0 + 7x = -15 + 8
7x = -15 + 8

Combine like terms: -15 + 8 = -7
7x = -7

Divide each side by '7'.
x = -1

Simplifying
x = -1

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