9x-7+3x=2x-12

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Solution for 9x-7+3x=2x-12 equation:


Simplifying
9x + -7 + 3x = 2x + -12

Reorder the terms:
-7 + 9x + 3x = 2x + -12

Combine like terms: 9x + 3x = 12x
-7 + 12x = 2x + -12

Reorder the terms:
-7 + 12x = -12 + 2x

Solving
-7 + 12x = -12 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-7 + 12x + -2x = -12 + 2x + -2x

Combine like terms: 12x + -2x = 10x
-7 + 10x = -12 + 2x + -2x

Combine like terms: 2x + -2x = 0
-7 + 10x = -12 + 0
-7 + 10x = -12

Add '7' to each side of the equation.
-7 + 7 + 10x = -12 + 7

Combine like terms: -7 + 7 = 0
0 + 10x = -12 + 7
10x = -12 + 7

Combine like terms: -12 + 7 = -5
10x = -5

Divide each side by '10'.
x = -0.5

Simplifying
x = -0.5

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