-3(x-2)-9=15

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Solution for -3(x-2)-9=15 equation:


Simplifying
-3(x + -2) + -9 = 15

Reorder the terms:
-3(-2 + x) + -9 = 15
(-2 * -3 + x * -3) + -9 = 15
(6 + -3x) + -9 = 15

Reorder the terms:
6 + -9 + -3x = 15

Combine like terms: 6 + -9 = -3
-3 + -3x = 15

Solving
-3 + -3x = 15

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + -3x = 15 + 3

Combine like terms: -3 + 3 = 0
0 + -3x = 15 + 3
-3x = 15 + 3

Combine like terms: 15 + 3 = 18
-3x = 18

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

Simplifying
x = -6

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