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7.13=3.1(v-15.7)
We move all terms to the left:
7.13-(3.1(v-15.7))=0
We calculate terms in parentheses: -(3.1(v-15.7)), so:We get rid of parentheses
3.1(v-15.7)
We multiply parentheses
3.1v-48.67
Back to the equation:
-(3.1v-48.67)
-3.1v+48.67+7.13=0
We add all the numbers together, and all the variables
-3.1v+55.8=0
We move all terms containing v to the left, all other terms to the right
-3.1v=-55.8
v=-55.8/-3.1
v=18+-7.105427357601E-15/3.1
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