138-y=221

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Solution for 138-y=221 equation:


138-y=221

We simplify the equation to the form, which is simple to understand 
138-y=221

We move all terms containing y to the left and all other terms to the right. 
-1y=+221-138

We simplify left and right side of the equation. 
-1y=+83

We divide both sides of the equation by -1 to get y. 
y=-83

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