15-3(x-1)=-12

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Solution for 15-3(x-1)=-12 equation: 


Simplifying
15 + -3(x + -1) = -12

Reorder the terms:
15 + -3(-1 + x) = -12
15 + (-1 * -3 + x * -3) = -12
15 + (3 + -3x) = -12

Combine like terms: 15 + 3 = 18
18 + -3x = -12

Solving
18 + -3x = -12

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + -3x = -12 + -18

Combine like terms: 18 + -18 = 0
0 + -3x = -12 + -18
-3x = -12 + -18

Combine like terms: -12 + -18 = -30
-3x = -30

Divide each side by '-3'.
x = 10

Simplifying
x = 10

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