3-(f-7)=15

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Solution for 3-(f-7)=15 equation:


3-(f-7)=15

We simplify the equation to the form, which is simple to understand 
3-(f-7)=15

Remove unnecessary parentheses
3-1f+7=15

We move all terms containing f to the left and all other terms to the right. 
-1f=+15-3-7

We simplify left and right side of the equation. 
-1f=+5

We divide both sides of the equation by -1 to get f. 
f=-5

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