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-8.7(3f+3)=-19
We move all terms to the left:
-8.7(3f+3)-(-19)=0
We add all the numbers together, and all the variables
-8.7(3f+3)+19=0
We multiply parentheses
-26.1f-26.1+19=0
We add all the numbers together, and all the variables
-26.1f-7.1=0
We move all terms containing f to the left, all other terms to the right
-26.1f=7.1
f=7.1/-26.1
f=-6.4545454545455/23.727272727273
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