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7/y+8=-1
We move all terms to the left:
7/y+8-(-1)=0
Domain of the equation: y!=0We add all the numbers together, and all the variables
y∈R
7/y+9=0
We multiply all the terms by the denominator
9*y+7=0
We add all the numbers together, and all the variables
9y+7=0
We move all terms containing y to the left, all other terms to the right
9y=-7
y=-7/9
y=-7/9
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