9(f+2)=90

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Solution for 9(f+2)=90 equation:



9(f+2)=90
We move all terms to the left:
9(f+2)-(90)=0
We multiply parentheses
9f+18-90=0
We add all the numbers together, and all the variables
9f-72=0
We move all terms containing f to the left, all other terms to the right
9f=72
f=72/9
f=8

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