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f(-3)=2(-3)+4(-3)+10
We simplify the equation to the form, which is simple to understand
f(-3)=2(-3)+4(-3)+10
Reorder the terms in parentheses
+(-3f)=2*(-3)+4*(-3)+10
Remove unnecessary parentheses
-3f=+2+*(-3+)+4+*(-3+)+10
Reorder the terms in parentheses
-3f=+(-6)+4*(-3)+10
Remove unnecessary parentheses
-3f=-6+4+*(-3+)+10
Reorder the terms in parentheses
-3f=-6+(-12)+10
Remove unnecessary parentheses
-3f=-6-12+10
We move all terms containing f to the left and all other terms to the right.
-3f=-6-12+10
We simplify left and right side of the equation.
-3f=-8
We divide both sides of the equation by -3 to get f.
f=2.66666666667
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