57-x=7

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Solution for 57-x=7 equation: 


Simplifying
57 + -1x = 7

Solving
57 + -1x = 7

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 = 7 + -57

Combine like terms: 57 + -57 = 0
0 + -1x = 7 + -57
-1x = 7 + -57

Combine like terms: 7 + -57 = -50
-1x = -50

Divide each side by '-1'.
x = 50

Simplifying
x = 50

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