f(4)=1/2*4+3

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Solution for f(4)=1/2*4+3 equation:


f(4)=1/2*4+3 

We simplify the equation to the form, which is simple to understand 
f(4)=1/2*4+3

Simplifying:
f*(4)=1/8+3

Simplifying:
f*(4)=0.125+3

Reorder the terms in parentheses
+(+4f)=0.125+3

Remove unnecessary parentheses
+4f=0.125+3

We move all terms containing f to the left and all other terms to the right. 
+4f=0.125+3

We simplify left and right side of the equation. 
+4f=+3.125

We divide both sides of the equation by 4 to get f. 
f=0.78125

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