8+3f=20

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Solution for 8+3f=20 equation:



8+3f=20
We move all terms to the left:
8+3f-(20)=0
We add all the numbers together, and all the variables
3f-12=0
We move all terms containing f to the left, all other terms to the right
3f=12
f=12/3
f=4

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