3x+5x=9x-8

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Solution for 3x+5x=9x-8 equation:


Simplifying
3x + 5x = 9x + -8

Combine like terms: 3x + 5x = 8x
8x = 9x + -8

Reorder the terms:
8x = -8 + 9x

Solving
8x = -8 + 9x

Solving for variable 'x'.

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

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

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

Combine like terms: 9x + -9x = 0
-1x = -8 + 0
-1x = -8

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

Simplifying
x = 8

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