9x+15=12x-6

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Solution for 9x+15=12x-6 equation:


Simplifying
9x + 15 = 12x + -6

Reorder the terms:
15 + 9x = 12x + -6

Reorder the terms:
15 + 9x = -6 + 12x

Solving
15 + 9x = -6 + 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.
15 + 9x + -12x = -6 + 12x + -12x

Combine like terms: 9x + -12x = -3x
15 + -3x = -6 + 12x + -12x

Combine like terms: 12x + -12x = 0
15 + -3x = -6 + 0
15 + -3x = -6

Add '-15' to each side of the equation.
15 + -15 + -3x = -6 + -15

Combine like terms: 15 + -15 = 0
0 + -3x = -6 + -15
-3x = -6 + -15

Combine like terms: -6 + -15 = -21
-3x = -21

Divide each side by '-3'.
x = 7

Simplifying
x = 7

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