5+15=57-2x

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Solution for 5+15=57-2x equation:


Simplifying
5 + 15 = 57 + -2x

Combine like terms: 5 + 15 = 20
20 = 57 + -2x

Solving
20 = 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.
20 + 2x = 57 + -2x + 2x

Combine like terms: -2x + 2x = 0
20 + 2x = 57 + 0
20 + 2x = 57

Add '-20' to each side of the equation.
20 + -20 + 2x = 57 + -20

Combine like terms: 20 + -20 = 0
0 + 2x = 57 + -20
2x = 57 + -20

Combine like terms: 57 + -20 = 37
2x = 37

Divide each side by '2'.
x = 18.5

Simplifying
x = 18.5

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