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-8v+4v=-15-19
We move all terms to the left:
-8v+4v-(-15-19)=0
We add all the numbers together, and all the variables
-8v+4v-(-34)=0
We add all the numbers together, and all the variables
-4v+34=0
We move all terms containing v to the left, all other terms to the right
-4v=-34
v=-34/-4
v=8+1/2
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