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-12=-4/7v
We move all terms to the left:
-12-(-4/7v)=0
Domain of the equation: 7v)!=0We get rid of parentheses
v!=0/1
v!=0
v∈R
4/7v-12=0
We multiply all the terms by the denominator
-12*7v+4=0
Wy multiply elements
-84v+4=0
We move all terms containing v to the left, all other terms to the right
-84v=-4
v=-4/-84
v=1/21
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