21x=2x+57

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Solution for 21x=2x+57 equation: 


Simplifying
21x = 2x + 57

Reorder the terms:
21x = 57 + 2x

Solving
21x = 57 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
21x + -2x = 57 + 2x + -2x

Combine like terms: 21x + -2x = 19x
19x = 57 + 2x + -2x

Combine like terms: 2x + -2x = 0
19x = 57 + 0
19x = 57

Divide each side by '19'.
x = 3

Simplifying
x = 3

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