12(3x+4)-7(2x-4)=2x-64

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Solution for 12(3x+4)-7(2x-4)=2x-64 equation:


Simplifying
12(3x + 4) + -7(2x + -4) = 2x + -64

Reorder the terms:
12(4 + 3x) + -7(2x + -4) = 2x + -64
(4 * 12 + 3x * 12) + -7(2x + -4) = 2x + -64
(48 + 36x) + -7(2x + -4) = 2x + -64

Reorder the terms:
48 + 36x + -7(-4 + 2x) = 2x + -64
48 + 36x + (-4 * -7 + 2x * -7) = 2x + -64
48 + 36x + (28 + -14x) = 2x + -64

Reorder the terms:
48 + 28 + 36x + -14x = 2x + -64

Combine like terms: 48 + 28 = 76
76 + 36x + -14x = 2x + -64

Combine like terms: 36x + -14x = 22x
76 + 22x = 2x + -64

Reorder the terms:
76 + 22x = -64 + 2x

Solving
76 + 22x = -64 + 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.
76 + 22x + -2x = -64 + 2x + -2x

Combine like terms: 22x + -2x = 20x
76 + 20x = -64 + 2x + -2x

Combine like terms: 2x + -2x = 0
76 + 20x = -64 + 0
76 + 20x = -64

Add '-76' to each side of the equation.
76 + -76 + 20x = -64 + -76

Combine like terms: 76 + -76 = 0
0 + 20x = -64 + -76
20x = -64 + -76

Combine like terms: -64 + -76 = -140
20x = -140

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

Simplifying
x = -7

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