4x+5x=x-8

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Solution for 4x+5x=x-8 equation: 


Simplifying
4x + 5x = x + -8

Combine like terms: 4x + 5x = 9x
9x = x + -8

Reorder the terms:
9x = -8 + x

Solving
9x = -8 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
9x + -1x = -8 + x + -1x

Combine like terms: 9x + -1x = 8x
8x = -8 + x + -1x

Combine like terms: x + -1x = 0
8x = -8 + 0
8x = -8

Divide each side by '8'.
x = -1

Simplifying
x = -1

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