217-y=88

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Solution for 217-y=88 equation: 


Simplifying
217 + -1y = 88

Solving
217 + -1y = 88

Solving for variable 'y'.

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

Add '-217' to each side of the equation.
217 + -217 + -1y = 88 + -217

Combine like terms: 217 + -217 = 0
0 + -1y = 88 + -217
-1y = 88 + -217

Combine like terms: 88 + -217 = -129
-1y = -129

Divide each side by '-1'.
y = 129

Simplifying
y = 129

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