9x-4x-12=15x

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Solution for 9x-4x-12=15x equation:


Simplifying
9x + -4x + -12 = 15x

Reorder the terms:
-12 + 9x + -4x = 15x

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

Solving
-12 + 5x = 15x

Solving for variable 'x'.

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

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

Combine like terms: 5x + -15x = -10x
-12 + -10x = 15x + -15x

Combine like terms: 15x + -15x = 0
-12 + -10x = 0

Add '12' to each side of the equation.
-12 + 12 + -10x = 0 + 12

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

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

Divide each side by '-10'.
x = -1.2

Simplifying
x = -1.2

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