21x-18=0

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Solution for 21x-18=0 equation: 


Simplifying
21x + -18 = 0

Reorder the terms:
-18 + 21x = 0

Solving
-18 + 21x = 0

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 + 21x = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 21x = 0 + 18
21x = 0 + 18

Combine like terms: 0 + 18 = 18
21x = 18

Divide each side by '21'.
x = 0.8571428571

Simplifying
x = 0.8571428571

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