12(3x-3)-7(2x-6)=2x-42

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Solution for 12(3x-3)-7(2x-6)=2x-42 equation:


Simplifying
12(3x + -3) + -7(2x + -6) = 2x + -42

Reorder the terms:
12(-3 + 3x) + -7(2x + -6) = 2x + -42
(-3 * 12 + 3x * 12) + -7(2x + -6) = 2x + -42
(-36 + 36x) + -7(2x + -6) = 2x + -42

Reorder the terms:
-36 + 36x + -7(-6 + 2x) = 2x + -42
-36 + 36x + (-6 * -7 + 2x * -7) = 2x + -42
-36 + 36x + (42 + -14x) = 2x + -42

Reorder the terms:
-36 + 42 + 36x + -14x = 2x + -42

Combine like terms: -36 + 42 = 6
6 + 36x + -14x = 2x + -42

Combine like terms: 36x + -14x = 22x
6 + 22x = 2x + -42

Reorder the terms:
6 + 22x = -42 + 2x

Solving
6 + 22x = -42 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
6 + 22x + -2x = -42 + 2x + -2x

Combine like terms: 22x + -2x = 20x
6 + 20x = -42 + 2x + -2x

Combine like terms: 2x + -2x = 0
6 + 20x = -42 + 0
6 + 20x = -42

Add '-6' to each side of the equation.
6 + -6 + 20x = -42 + -6

Combine like terms: 6 + -6 = 0
0 + 20x = -42 + -6
20x = -42 + -6

Combine like terms: -42 + -6 = -48
20x = -48

Divide each side by '20'.
x = -2.4

Simplifying
x = -2.4

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