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f(2)=-6(2)+4
We simplify the equation to the form, which is simple to understand
f(2)=-6(2)+4
Reorder the terms in parentheses
+(+2f)=-6*(2)+4
Remove unnecessary parentheses
+2f=-6+*(+2+)+4
Reorder the terms in parentheses
+2f=+(-12)+4
Remove unnecessary parentheses
+2f=-12+4
We move all terms containing f to the left and all other terms to the right.
+2f=-12+4
We simplify left and right side of the equation.
+2f=-8
We divide both sides of the equation by 2 to get f.
f=-4
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