-18=21x

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Solution for -18=21x equation:


Simplifying
-18 = 21x

Solving
-18 = 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
-18 + -21x = 21x + -21x

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

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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