5v-9=81

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Solution for 5v-9=81 equation:



5v-9=81
We move all terms to the left:
5v-9-(81)=0
We add all the numbers together, and all the variables
5v-90=0
We move all terms containing v to the left, all other terms to the right
5v=90
v=90/5
v=18

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