57=x+15

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Solution for 57=x+15 equation:


Simplifying
57 = x + 15

Reorder the terms:
57 = 15 + x

Solving
57 = 15 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
57 + -1x = 15 + x + -1x

Combine like terms: x + -1x = 0
57 + -1x = 15 + 0
57 + -1x = 15

Add '-57' to each side of the equation.
57 + -57 + -1x = 15 + -57

Combine like terms: 57 + -57 = 0
0 + -1x = 15 + -57
-1x = 15 + -57

Combine like terms: 15 + -57 = -42
-1x = -42

Divide each side by '-1'.
x = 42

Simplifying
x = 42

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