80=7x+x-8

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Solution for 80=7x+x-8 equation:


Simplifying
80 = 7x + x + -8

Reorder the terms:
80 = -8 + 7x + x

Combine like terms: 7x + x = 8x
80 = -8 + 8x

Solving
80 = -8 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
80 + -8x = -8 + 8x + -8x

Combine like terms: 8x + -8x = 0
80 + -8x = -8 + 0
80 + -8x = -8

Add '-80' to each side of the equation.
80 + -80 + -8x = -8 + -80

Combine like terms: 80 + -80 = 0
0 + -8x = -8 + -80
-8x = -8 + -80

Combine like terms: -8 + -80 = -88
-8x = -88

Divide each side by '-8'.
x = 11

Simplifying
x = 11

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