F(3)=-5x-x+20

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Solution for F(3)=-5x-x+20 equation:



(3)=-5F-F+20
We move all terms to the left:
(3)-(-5F-F+20)=0
We add all the numbers together, and all the variables
-(-6F+20)+3=0
We get rid of parentheses
6F-20+3=0
We add all the numbers together, and all the variables
6F-17=0
We move all terms containing F to the left, all other terms to the right
6F=17
F=17/6
F=2+5/6

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