71+(71-y)=71

Solution for 71+(71-y)=71 equation:

Simplifying
71 + (71 + -1y) = 71

Remove parenthesis around (71 + -1y)
71 + 71 + -1y = 71

Combine like terms: 71 + 71 = 142
142 + -1y = 71

Solving
142 + -1y = 71

Solving for variable 'y'.

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

Add '-142' to each side of the equation.
142 + -142 + -1y = 71 + -142

Combine like terms: 142 + -142 = 0
0 + -1y = 71 + -142
-1y = 71 + -142

Combine like terms: 71 + -142 = -71
-1y = -71

Divide each side by '-1'.
y = 71

Simplifying
y = 71