21+3y=-6

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Solution for 21+3y=-6 equation:



21+3y=-6
We move all terms to the left:
21+3y-(-6)=0
We add all the numbers together, and all the variables
3y+27=0
We move all terms containing y to the left, all other terms to the right
3y=-27
y=-27/3
y=-9

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