21.54=30+18x

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Solution for 21.54=30+18x equation: 


Simplifying
21.54 = 30 + 18x

Solving
21.54 = 30 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
21.54 + -18x = 30 + 18x + -18x

Combine like terms: 18x + -18x = 0
21.54 + -18x = 30 + 0
21.54 + -18x = 30

Add '-21.54' to each side of the equation.
21.54 + -21.54 + -18x = 30 + -21.54

Combine like terms: 21.54 + -21.54 = 0.00
0.00 + -18x = 30 + -21.54
-18x = 30 + -21.54

Combine like terms: 30 + -21.54 = 8.46
-18x = 8.46

Divide each side by '-18'.
x = -0.47

Simplifying
x = -0.47

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