57-2x=10+21

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


Simplifying
57 + -2x = 10 + 21

Combine like terms: 10 + 21 = 31
57 + -2x = 31

Solving
57 + -2x = 31

Solving for variable 'x'.

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

Add '-57' to each side of the equation.
57 + -57 + -2x = 31 + -57

Combine like terms: 57 + -57 = 0
0 + -2x = 31 + -57
-2x = 31 + -57

Combine like terms: 31 + -57 = -26
-2x = -26

Divide each side by '-2'.
x = 13

Simplifying
x = 13

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