-2x-12=5x+9

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Solution for -2x-12=5x+9 equation:


Simplifying
-2x + -12 = 5x + 9

Reorder the terms:
-12 + -2x = 5x + 9

Reorder the terms:
-12 + -2x = 9 + 5x

Solving
-12 + -2x = 9 + 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.
-12 + -2x + -5x = 9 + 5x + -5x

Combine like terms: -2x + -5x = -7x
-12 + -7x = 9 + 5x + -5x

Combine like terms: 5x + -5x = 0
-12 + -7x = 9 + 0
-12 + -7x = 9

Add '12' to each side of the equation.
-12 + 12 + -7x = 9 + 12

Combine like terms: -12 + 12 = 0
0 + -7x = 9 + 12
-7x = 9 + 12

Combine like terms: 9 + 12 = 21
-7x = 21

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

Simplifying
x = -3

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