15x-8=12x-20

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Solution for 15x-8=12x-20 equation:


Simplifying
15x + -8 = 12x + -20

Reorder the terms:
-8 + 15x = 12x + -20

Reorder the terms:
-8 + 15x = -20 + 12x

Solving
-8 + 15x = -20 + 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.
-8 + 15x + -12x = -20 + 12x + -12x

Combine like terms: 15x + -12x = 3x
-8 + 3x = -20 + 12x + -12x

Combine like terms: 12x + -12x = 0
-8 + 3x = -20 + 0
-8 + 3x = -20

Add '8' to each side of the equation.
-8 + 8 + 3x = -20 + 8

Combine like terms: -8 + 8 = 0
0 + 3x = -20 + 8
3x = -20 + 8

Combine like terms: -20 + 8 = -12
3x = -12

Divide each side by '3'.
x = -4

Simplifying
x = -4

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