X+8+7X=-80

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


Simplifying
X + 8 + 7X = -80

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

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

Solving
8 + 8X = -80

Solving for variable 'X'.

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

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

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

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

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

Simplifying
X = -11

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