-12-3x=5x+9

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Solution for -12-3x=5x+9 equation:


Simplifying
-12 + -3x = 5x + 9

Reorder the terms:
-12 + -3x = 9 + 5x

Solving
-12 + -3x = 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 + -3x + -5x = 9 + 5x + -5x

Combine like terms: -3x + -5x = -8x
-12 + -8x = 9 + 5x + -5x

Combine like terms: 5x + -5x = 0
-12 + -8x = 9 + 0
-12 + -8x = 9

Add '12' to each side of the equation.
-12 + 12 + -8x = 9 + 12

Combine like terms: -12 + 12 = 0
0 + -8x = 9 + 12
-8x = 9 + 12

Combine like terms: 9 + 12 = 21
-8x = 21

Divide each side by '-8'.
x = -2.625

Simplifying
x = -2.625

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