15-4x=5x-12

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Solution for 15-4x=5x-12 equation:


Simplifying
15 + -4x = 5x + -12

Reorder the terms:
15 + -4x = -12 + 5x

Solving
15 + -4x = -12 + 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.
15 + -4x + -5x = -12 + 5x + -5x

Combine like terms: -4x + -5x = -9x
15 + -9x = -12 + 5x + -5x

Combine like terms: 5x + -5x = 0
15 + -9x = -12 + 0
15 + -9x = -12

Add '-15' to each side of the equation.
15 + -15 + -9x = -12 + -15

Combine like terms: 15 + -15 = 0
0 + -9x = -12 + -15
-9x = -12 + -15

Combine like terms: -12 + -15 = -27
-9x = -27

Divide each side by '-9'.
x = 3

Simplifying
x = 3

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