-12+3(-x+7)=-18

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Solution for -12+3(-x+7)=-18 equation:


Simplifying
-12 + 3(-1x + 7) = -18

Reorder the terms:
-12 + 3(7 + -1x) = -18
-12 + (7 * 3 + -1x * 3) = -18
-12 + (21 + -3x) = -18

Combine like terms: -12 + 21 = 9
9 + -3x = -18

Solving
9 + -3x = -18

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + -3x = -18 + -9

Combine like terms: 9 + -9 = 0
0 + -3x = -18 + -9
-3x = -18 + -9

Combine like terms: -18 + -9 = -27
-3x = -27

Divide each side by '-3'.
x = 9

Simplifying
x = 9

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