2(f+1)-9=1

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Solution for 2(f+1)-9=1 equation: 



2(f+1)-9=1

We move all terms to the left:

2(f+1)-9-(1)=0

We add all the numbers together, and all the variables

2(f+1)-10=0

We multiply parentheses

2f+2-10=0

We add all the numbers together, and all the variables

2f-8=0

We move all terms containing f to the left, all other terms to the right

2f=8

f=8/2

f=4

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