3x-8+5x=9

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


Simplifying
3x + -8 + 5x = 9

Reorder the terms:
-8 + 3x + 5x = 9

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

Solving
-8 + 8x = 9

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 = 9 + 8

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

Combine like terms: 9 + 8 = 17
8x = 17

Divide each side by '8'.
x = 2.125

Simplifying
x = 2.125

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