13x+90=8x

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Solution for 13x+90=8x equation:


Simplifying
13x + 90 = 8x

Reorder the terms:
90 + 13x = 8x

Solving
90 + 13x = 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
90 + 13x + -8x = 8x + -8x

Combine like terms: 13x + -8x = 5x
90 + 5x = 8x + -8x

Combine like terms: 8x + -8x = 0
90 + 5x = 0

Add '-90' to each side of the equation.
90 + -90 + 5x = 0 + -90

Combine like terms: 90 + -90 = 0
0 + 5x = 0 + -90
5x = 0 + -90

Combine like terms: 0 + -90 = -90
5x = -90

Divide each side by '5'.
x = -18

Simplifying
x = -18

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