5x-18=90-4x

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Solution for 5x-18=90-4x equation:


Simplifying
5x + -18 = 90 + -4x

Reorder the terms:
-18 + 5x = 90 + -4x

Solving
-18 + 5x = 90 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-18 + 5x + 4x = 90 + -4x + 4x

Combine like terms: 5x + 4x = 9x
-18 + 9x = 90 + -4x + 4x

Combine like terms: -4x + 4x = 0
-18 + 9x = 90 + 0
-18 + 9x = 90

Add '18' to each side of the equation.
-18 + 18 + 9x = 90 + 18

Combine like terms: -18 + 18 = 0
0 + 9x = 90 + 18
9x = 90 + 18

Combine like terms: 90 + 18 = 108
9x = 108

Divide each side by '9'.
x = 12

Simplifying
x = 12

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