If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f(-4)=4(-4)+5
We simplify the equation to the form, which is simple to understand
f(-4)=4(-4)+5
Reorder the terms in parentheses
+(-4f)=4*(-4)+5
Remove unnecessary parentheses
-4f=+4+*(-4+)+5
Reorder the terms in parentheses
-4f=+(-16)+5
Remove unnecessary parentheses
-4f=-16+5
We move all terms containing f to the left and all other terms to the right.
-4f=-16+5
We simplify left and right side of the equation.
-4f=-11
We divide both sides of the equation by -4 to get f.
f=2.75
| lnx+0.5lnz=10 | | 9x+3=10x+35 | | lnx+0.5lnz=c | | (2u^2+3u+9)(9u^2-9u+2)(2u^2-3u+2)= | | 2(3x+7)=3(5-x) | | 2=-0.02x+2.59 | | 25+2k=47 | | y=-0.02(5)+2.59 | | -7g+3=-25 | | y=-0.04(6)+1.58 | | 4x^2+27x-7=y | | 7+2y-1=8y+6-4y | | 3x^2+42x+142=y | | -4m-4=8 | | 9(a+5)=9(a-2) | | 4m+m-6(m+6m)= | | x^2-x-1800=0 | | 7y+3=9y-5 | | (-2y+6)+(-13y)= | | 5x-5x=25 | | 42b^2-17b=15 | | 0=10x+x^2+25 | | v^4=4 | | r^2+27r=0 | | 16+F-2=42 | | s^2-4s+20=0 | | 0.3x+4=19 | | 6-7(x-5)=13 | | 7-4(n+5)=3 | | 10x+11y=21 | | 6x-6=3x+3 | | 57.99-0.11x=58.54 |