-1=3f(1+1)+7

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Solution for -1=3f(1+1)+7 equation: 



-1=3f(1+1)+7

We move all terms to the left:

-1-(3f(1+1)+7)=0

We add all the numbers together, and all the variables

-(3f2+7)-1=0

We get rid of parentheses

-3f2-7-1=0

We add all the numbers together, and all the variables

-3f^2-8=0

a = -3; b = 0; c = -8;
Δ = b2-4ac
Δ = 02-4·(-3)·(-8)
Δ = -96
Delta is less than zero, so there is no solution for the equation

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