4-7(1-6.5f)=-15.5

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Solution for 4-7(1-6.5f)=-15.5 equation: 



4-7(1-6.5f)=-15.5

We move all terms to the left:

4-7(1-6.5f)-(-15.5)=0

We add all the numbers together, and all the variables

-7(-6.5f+1)+4-(-15.5)=0

We add all the numbers together, and all the variables

-7(-6.5f+1)+19.5=0

We multiply parentheses

42f-7+19.5=0

We add all the numbers together, and all the variables

42f+12.5=0

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

42f=-12.5

f=-12.5/42

f=-1.9230769230769/6.4615384615385

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