Answer :

Start by subtracting 5 from each side: 3/4f+5-5=-5-5. 3/4f=-10. Now, to solve for f, we need to multiply each side by 4/3:3/4f(4/3)=-10(4/3). f=-40/3. Whenever you have an equation like this, go one step at a time to try to get the variable by itself.
u subtract 5 to -5 which give u -10 then u divided 3/4 to -10 which give the answer -13 1/3 also in decimal is -13.3333...........

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