If it's not what You are looking for type in the equation solver your own equation and let us solve it.
20+7f=97
We move all terms to the left:
20+7f-(97)=0
We add all the numbers together, and all the variables
7f-77=0
We move all terms containing f to the left, all other terms to the right
7f=77
f=77/7
f=11
| 1/3x+11=2/5x | | 15=18–y | | -8+x=12.25 | | 9+7v=3v+2+5v | | 4√y+3=3 | | (x+3)5−3x10=7 | | x-1.3=10.1 | | -8+7b=-2(6-4b) | | 1/100=m/500 | | 10+12y=600 | | -15-v+4v+9v=18 | | 9=1/2x+3 | | 3x-52=7x-16 | | 10x+12=600 | | a-2/2=7 | | -4x+1=73 | | 6+4e=24 | | 6x-19=15x+71 | | f-37/4=8 | | 13+2x-12=33 | | 1+8n=5n+13 | | 3x+1=8x+56 | | 1.2x-0.7=-0.3x+0.8 | | -10(n-90)=-40 | | 50x=10,000 | | 5x+76=360 | | 3=k-1/2 | | 18q+3q+3q-22q=12 | | 35=6q-7 | | 6=3c-12 | | 6r-2=(r+4) | | 25/x=75/12 |