57-2x=10x-21

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Solution for 57-2x=10x-21 equation:


Simplifying
57 + -2x = 10x + -21

Reorder the terms:
57 + -2x = -21 + 10x

Solving
57 + -2x = -21 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
57 + -2x + -10x = -21 + 10x + -10x

Combine like terms: -2x + -10x = -12x
57 + -12x = -21 + 10x + -10x

Combine like terms: 10x + -10x = 0
57 + -12x = -21 + 0
57 + -12x = -21

Add '-57' to each side of the equation.
57 + -57 + -12x = -21 + -57

Combine like terms: 57 + -57 = 0
0 + -12x = -21 + -57
-12x = -21 + -57

Combine like terms: -21 + -57 = -78
-12x = -78

Divide each side by '-12'.
x = 6.5

Simplifying
x = 6.5

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