If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f(-2)=5(-2)+2
We move all terms to the left:
f(-2)-(5(-2)+2)=0
We add all the numbers together, and all the variables
f(-2)+8=0
We multiply parentheses
-2f+8=0
We move all terms containing f to the left, all other terms to the right
-2f=-8
f=-8/-2
f=+4
| 10x+4=9x+11 | | 18g=63 | | 9x+21=3(x-15) | | 6w+10=3w-2w-10 | | -5(-5-3m)=115 | | 1.42-2.7z=0.78-2.8z | | 8(1+2x)=7x=-153 | | 28/x=-6 | | 19=-2(5x+7} | | 4t+2t+6=6t+2+4 | | 2^(2x)=6^(x-1) | | -7x-2=2x+12 | | -8x-10=6x+18 | | -7x56=x | | x/2+6=22 | | 8x+26=80 | | -3=7(t-3) | | -9x-20=-25 | | -6w+6=7w-5-2w | | 6a-10=10+6a | | 124=67x82 | | 30/x=12/8 | | x-1/3=-8 | | -3x-20=5(x+4) | | 8(1+2)+7x=-153 | | 1/2m+1/5=17 | | 4-6x=44/5 | | 5n+13=48 | | (x+3)(2x+4)=84 | | -g+2g-10=-g+10 | | 2u-10=-2u+10 | | 10x+-18=8x+4 |