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f(8)=-3(64)-4(8)
We simplify the equation to the form, which is simple to understand
f(8)=-3(64)-4(8)
Reorder the terms in parentheses
+(+8f)=-3*(64)-4*(8)
Remove unnecessary parentheses
+8f=-3+*(+64+)-4+*(+8+)
Reorder the terms in parentheses
+8f=+(-192)-4*(8)
Remove unnecessary parentheses
+8f=-192-4+*(+8+)
Reorder the terms in parentheses
+8f=-192+(-32)
Remove unnecessary parentheses
+8f=-192-32
We move all terms containing f to the left and all other terms to the right.
+8f=-192-32
We simplify left and right side of the equation.
+8f=-224
We divide both sides of the equation by 8 to get f.
f=-28
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