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v+3/10=0.8
We move all terms to the left:
v+3/10-(0.8)=0
We add all the numbers together, and all the variables
v-0.8+3/10=0
We multiply all the terms by the denominator
v*10+3-(0.8)*10=0
We add all the numbers together, and all the variables
v*10-5=0
Wy multiply elements
10v-5=0
We move all terms containing v to the left, all other terms to the right
10v=5
v=5/10
v=1/2
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