139-y=218

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Solution for 139-y=218 equation: 


Simplifying
139 + -1y = 218

Solving
139 + -1y = 218

Solving for variable 'y'.

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

Add '-139' to each side of the equation.
139 + -139 + -1y = 218 + -139

Combine like terms: 139 + -139 = 0
0 + -1y = 218 + -139
-1y = 218 + -139

Combine like terms: 218 + -139 = 79
-1y = 79

Divide each side by '-1'.
y = -79

Simplifying
y = -79

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