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v+7/9=-1
We move all terms to the left:
v+7/9-(-1)=0
We add all the numbers together, and all the variables
v+1+7/9=0
We multiply all the terms by the denominator
v*9+7+1*9=0
We add all the numbers together, and all the variables
v*9+16=0
Wy multiply elements
9v+16=0
We move all terms containing v to the left, all other terms to the right
9v=-16
v=-16/9
v=-1+7/9
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