-2(x+9)=12+3x

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


Simplifying
-2(x + 9) = 12 + 3x

Reorder the terms:
-2(9 + x) = 12 + 3x
(9 * -2 + x * -2) = 12 + 3x
(-18 + -2x) = 12 + 3x

Solving
-18 + -2x = 12 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-18 + -2x + -3x = 12 + 3x + -3x

Combine like terms: -2x + -3x = -5x
-18 + -5x = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
-18 + -5x = 12 + 0
-18 + -5x = 12

Add '18' to each side of the equation.
-18 + 18 + -5x = 12 + 18

Combine like terms: -18 + 18 = 0
0 + -5x = 12 + 18
-5x = 12 + 18

Combine like terms: 12 + 18 = 30
-5x = 30

Divide each side by '-5'.
x = -6

Simplifying
x = -6

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