-80=8(7-2x)-(2x-8)

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Solution for -80=8(7-2x)-(2x-8) equation:


Simplifying
-80 = 8(7 + -2x) + -1(2x + -8)
-80 = (7 * 8 + -2x * 8) + -1(2x + -8)
-80 = (56 + -16x) + -1(2x + -8)

Reorder the terms:
-80 = 56 + -16x + -1(-8 + 2x)
-80 = 56 + -16x + (-8 * -1 + 2x * -1)
-80 = 56 + -16x + (8 + -2x)

Reorder the terms:
-80 = 56 + 8 + -16x + -2x

Combine like terms: 56 + 8 = 64
-80 = 64 + -16x + -2x

Combine like terms: -16x + -2x = -18x
-80 = 64 + -18x

Solving
-80 = 64 + -18x

Solving for variable 'x'.

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

Add '18x' to each side of the equation.
-80 + 18x = 64 + -18x + 18x

Combine like terms: -18x + 18x = 0
-80 + 18x = 64 + 0
-80 + 18x = 64

Add '80' to each side of the equation.
-80 + 80 + 18x = 64 + 80

Combine like terms: -80 + 80 = 0
0 + 18x = 64 + 80
18x = 64 + 80

Combine like terms: 64 + 80 = 144
18x = 144

Divide each side by '18'.
x = 8

Simplifying
x = 8

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