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1.3=13.8-5v
We move all terms to the left:
1.3-(13.8-5v)=0
We add all the numbers together, and all the variables
-(-5v+13.8)+1.3=0
We get rid of parentheses
5v-13.8+1.3=0
We add all the numbers together, and all the variables
5v-12.5=0
We move all terms containing v to the left, all other terms to the right
5v=12.5
v=12.5/5
v=2+2.5/5
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