57-6x=21x+18

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Solution for 57-6x=21x+18 equation:


Simplifying
57 + -6x = 21x + 18

Reorder the terms:
57 + -6x = 18 + 21x

Solving
57 + -6x = 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.
57 + -6x + -21x = 18 + 21x + -21x

Combine like terms: -6x + -21x = -27x
57 + -27x = 18 + 21x + -21x

Combine like terms: 21x + -21x = 0
57 + -27x = 18 + 0
57 + -27x = 18

Add '-57' to each side of the equation.
57 + -57 + -27x = 18 + -57

Combine like terms: 57 + -57 = 0
0 + -27x = 18 + -57
-27x = 18 + -57

Combine like terms: 18 + -57 = -39
-27x = -39

Divide each side by '-27'.
x = 1.444444444

Simplifying
x = 1.444444444

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