3(2x+4)=-x-9

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Solution for 3(2x+4)=-x-9 equation:


Simplifying
3(2x + 4) = -1x + -9

Reorder the terms:
3(4 + 2x) = -1x + -9
(4 * 3 + 2x * 3) = -1x + -9
(12 + 6x) = -1x + -9

Reorder the terms:
12 + 6x = -9 + -1x

Solving
12 + 6x = -9 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
12 + 6x + x = -9 + -1x + x

Combine like terms: 6x + x = 7x
12 + 7x = -9 + -1x + x

Combine like terms: -1x + x = 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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