If it's not what You are looking for type in the equation solver your own equation and let us solve it.
9(f+2)=90
We move all terms to the left:
9(f+2)-(90)=0
We multiply parentheses
9f+18-90=0
We add all the numbers together, and all the variables
9f-72=0
We move all terms containing f to the left, all other terms to the right
9f=72
f=72/9
f=8
| 20=80-10x | | 2p-5(2p^)+2=0 | | 4-(3p-2)=p+10 | | 23=n+15 | | 10k+9=99 | | 13+x/25+x=7/11 | | 8+2n=12+n | | 4=3p-14 | | 13=21-4s | | 3b+33=84 | | 3/10=k/0 | | 19+6x=x-4 | | 2p-8=-12+P | | q+17/10=3 | | -9y−8=-10y | | 0.11y+0.06(y+5000)=980 | | v/5-1=3 | | 3x-5(-2x-7)=-43 | | 5w-7=-4w+3 | | 86=-2(s+48) | | 3x+30=180-50+4x | | 2x+2(-2x-7)=-4 | | 4x-6=-8+3x | | 7j-13=15 | | 8=22-2h | | -26p-6(3-5p)=2(p-5)-14 | | m-25=75 | | 2x+2(-6x-20)=-236 | | n/8+1/2=3.5 | | 2x+7(x-8)=2(x-14) | | 36=6(s-81) | | 9-3-5=340534o3 |