-12=-3(x-7)

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


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

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

Solving
-12 = 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.
-12 + 3x = 21 + -3x + 3x

Combine like terms: -3x + 3x = 0
-12 + 3x = 21 + 0
-12 + 3x = 21

Add '12' to each side of the equation.
-12 + 12 + 3x = 21 + 12

Combine like terms: -12 + 12 = 0
0 + 3x = 21 + 12
3x = 21 + 12

Combine like terms: 21 + 12 = 33
3x = 33

Divide each side by '3'.
x = 11

Simplifying
x = 11

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