5x+8x-18=90-5x

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Solution for 5x+8x-18=90-5x equation:


Simplifying
5x + 8x + -18 = 90 + -5x

Reorder the terms:
-18 + 5x + 8x = 90 + -5x

Combine like terms: 5x + 8x = 13x
-18 + 13x = 90 + -5x

Solving
-18 + 13x = 90 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
-18 + 13x + 5x = 90 + -5x + 5x

Combine like terms: 13x + 5x = 18x
-18 + 18x = 90 + -5x + 5x

Combine like terms: -5x + 5x = 0
-18 + 18x = 90 + 0
-18 + 18x = 90

Add '18' to each side of the equation.
-18 + 18 + 18x = 90 + 18

Combine like terms: -18 + 18 = 0
0 + 18x = 90 + 18
18x = 90 + 18

Combine like terms: 90 + 18 = 108
18x = 108

Divide each side by '18'.
x = 6

Simplifying
x = 6

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