57-x=12

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Solution for 57-x=12 equation:


Simplifying
57 + -1x = 12

Solving
57 + -1x = 12

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 + -1x = 12 + -57

Combine like terms: 57 + -57 = 0
0 + -1x = 12 + -57
-1x = 12 + -57

Combine like terms: 12 + -57 = -45
-1x = -45

Divide each side by '-1'.
x = 45

Simplifying
x = 45

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