y-(-70)=21

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Solution for y-(-70)=21 equation: 



y-(-70)=21

We move all terms to the left:

y-(-70)-(21)=0

determiningTheFunctionDomain
y-21-(-70)=0

We add all the numbers together, and all the variables

y+49=0

We move all terms containing y to the left, all other terms to the right

y=-49

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