-3(7-2x)-3=12

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Solution for -3(7-2x)-3=12 equation:


Simplifying
-3(7 + -2x) + -3 = 12
(7 * -3 + -2x * -3) + -3 = 12
(-21 + 6x) + -3 = 12

Reorder the terms:
-21 + -3 + 6x = 12

Combine like terms: -21 + -3 = -24
-24 + 6x = 12

Solving
-24 + 6x = 12

Solving for variable 'x'.

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

Add '24' to each side of the equation.
-24 + 24 + 6x = 12 + 24

Combine like terms: -24 + 24 = 0
0 + 6x = 12 + 24
6x = 12 + 24

Combine like terms: 12 + 24 = 36
6x = 36

Divide each side by '6'.
x = 6

Simplifying
x = 6

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