-12+9=-3(x+7)

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


Simplifying
-12 + 9 = -3(x + 7)

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

Reorder the terms:
-3 = -3(7 + x)
-3 = (7 * -3 + x * -3)
-3 = (-21 + -3x)

Solving
-3 = -21 + -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.
-3 + 3x = -21 + -3x + 3x

Combine like terms: -3x + 3x = 0
-3 + 3x = -21 + 0
-3 + 3x = -21

Add '3' to each side of the equation.
-3 + 3 + 3x = -21 + 3

Combine like terms: -3 + 3 = 0
0 + 3x = -21 + 3
3x = -21 + 3

Combine like terms: -21 + 3 = -18
3x = -18

Divide each side by '3'.
x = -6

Simplifying
x = -6

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