18=.90x

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Solution for 18=.90x equation:


Simplifying
18 = 0.90x

Solving
18 = 0.90x

Solving for variable 'x'.

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

Add '-0.90x' to each side of the equation.
18 + -0.90x = 0.90x + -0.90x

Combine like terms: 0.90x + -0.90x = 0.00
18 + -0.90x = 0.00

Add '-18' to each side of the equation.
18 + -18 + -0.90x = 0.00 + -18

Combine like terms: 18 + -18 = 0
0 + -0.90x = 0.00 + -18
-0.90x = 0.00 + -18

Combine like terms: 0.00 + -18 = -18
-0.90x = -18

Divide each side by '-0.90'.
x = 20

Simplifying
x = 20

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