(5x)+(4x-18)=90

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Solution for (5x)+(4x-18)=90 equation:


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

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

Remove parenthesis around (-18 + 4x)
(5x) + -18 + 4x = 90

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

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

Solving
-18 + 9x = 90

Solving for variable 'x'.

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

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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