71-y=50

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Solution for 71-y=50 equation: 


Simplifying
71 + -1y = 50

Solving
71 + -1y = 50

Solving for variable 'y'.

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

Add '-71' to each side of the equation.
71 + -71 + -1y = 50 + -71

Combine like terms: 71 + -71 = 0
0 + -1y = 50 + -71
-1y = 50 + -71

Combine like terms: 50 + -71 = -21
-1y = -21

Divide each side by '-1'.
y = 21

Simplifying
y = 21

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