-4(-7x-8)-8x-12=60+40

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Solution for -4(-7x-8)-8x-12=60+40 equation:


Simplifying
-4(-7x + -8) + -8x + -12 = 60 + 40

Reorder the terms:
-4(-8 + -7x) + -8x + -12 = 60 + 40
(-8 * -4 + -7x * -4) + -8x + -12 = 60 + 40
(32 + 28x) + -8x + -12 = 60 + 40

Reorder the terms:
32 + -12 + 28x + -8x = 60 + 40

Combine like terms: 32 + -12 = 20
20 + 28x + -8x = 60 + 40

Combine like terms: 28x + -8x = 20x
20 + 20x = 60 + 40

Combine like terms: 60 + 40 = 100
20 + 20x = 100

Solving
20 + 20x = 100

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 20x = 100 + -20

Combine like terms: 20 + -20 = 0
0 + 20x = 100 + -20
20x = 100 + -20

Combine like terms: 100 + -20 = 80
20x = 80

Divide each side by '20'.
x = 4

Simplifying
x = 4

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