12(3x+5)-7(2x-2)=2x-66

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Solution for 12(3x+5)-7(2x-2)=2x-66 equation:


Simplifying
12(3x + 5) + -7(2x + -2) = 2x + -66

Reorder the terms:
12(5 + 3x) + -7(2x + -2) = 2x + -66
(5 * 12 + 3x * 12) + -7(2x + -2) = 2x + -66
(60 + 36x) + -7(2x + -2) = 2x + -66

Reorder the terms:
60 + 36x + -7(-2 + 2x) = 2x + -66
60 + 36x + (-2 * -7 + 2x * -7) = 2x + -66
60 + 36x + (14 + -14x) = 2x + -66

Reorder the terms:
60 + 14 + 36x + -14x = 2x + -66

Combine like terms: 60 + 14 = 74
74 + 36x + -14x = 2x + -66

Combine like terms: 36x + -14x = 22x
74 + 22x = 2x + -66

Reorder the terms:
74 + 22x = -66 + 2x

Solving
74 + 22x = -66 + 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.
74 + 22x + -2x = -66 + 2x + -2x

Combine like terms: 22x + -2x = 20x
74 + 20x = -66 + 2x + -2x

Combine like terms: 2x + -2x = 0
74 + 20x = -66 + 0
74 + 20x = -66

Add '-74' to each side of the equation.
74 + -74 + 20x = -66 + -74

Combine like terms: 74 + -74 = 0
0 + 20x = -66 + -74
20x = -66 + -74

Combine like terms: -66 + -74 = -140
20x = -140

Divide each side by '20'.
x = -7

Simplifying
x = -7

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