(20x-18)=90

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Solution for (20x-18)=90 equation:


Simplifying
(20x + -18) = 90

Reorder the terms:
(-18 + 20x) = 90

Remove parenthesis around (-18 + 20x)
-18 + 20x = 90

Solving
-18 + 20x = 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 + 20x = 90 + 18

Combine like terms: -18 + 18 = 0
0 + 20x = 90 + 18
20x = 90 + 18

Combine like terms: 90 + 18 = 108
20x = 108

Divide each side by '20'.
x = 5.4

Simplifying
x = 5.4

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