9x+4-8x=13

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Solution for 9x+4-8x=13 equation: 


Simplifying
9x + 4 + -8x = 13

Reorder the terms:
4 + 9x + -8x = 13

Combine like terms: 9x + -8x = 1x
4 + 1x = 13

Solving
4 + 1x = 13

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 1x = 13 + -4

Combine like terms: 4 + -4 = 0
0 + 1x = 13 + -4
1x = 13 + -4

Combine like terms: 13 + -4 = 9
1x = 9

Divide each side by '1'.
x = 9

Simplifying
x = 9

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