-3(x-1)+9=15

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Solution for -3(x-1)+9=15 equation: 


Simplifying
-3(x + -1) + 9 = 15

Reorder the terms:
-3(-1 + x) + 9 = 15
(-1 * -3 + x * -3) + 9 = 15
(3 + -3x) + 9 = 15

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

Combine like terms: 3 + 9 = 12
12 + -3x = 15

Solving
12 + -3x = 15

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -3x = 15 + -12

Combine like terms: 12 + -12 = 0
0 + -3x = 15 + -12
-3x = 15 + -12

Combine like terms: 15 + -12 = 3
-3x = 3

Divide each side by '-3'.
x = -1

Simplifying
x = -1

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