-31=-7(2f-9)

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Solution for -31=-7(2f-9) equation:


-31=-7 (2f-9)

We simplify the equation to the form, which is simple to understand 
-31=-7(2f-9)

Reorder the terms in parentheses
-31=+(-14f+63)

Remove unnecessary parentheses
-31=-14f+63

We move all terms containing f to the left and all other terms to the right. 
+14f=+63+31

We simplify left and right side of the equation. 
+14f=+94

We divide both sides of the equation by 014 to get f. 
f=6.7142857142857

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