If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-3+3f-7+f=30
We move all terms to the left:
-3+3f-7+f-(30)=0
We add all the numbers together, and all the variables
4f-40=0
We move all terms containing f to the left, all other terms to the right
4f=40
f=40/4
f=10
| 35x-6x(3x+7)=43 | | 7+3(y-9)=18 | | (x+40)^2+(20-x)^2=180 | | 2z-5=11+6 | | 6a-1+4a=9 | | d=5(1)^2 | | 6x-1+4×=9 | | 2b-6=42+4 | | X+1=-4x3 | | 7x+10-5x=40 | | -w+286=223 | | -w+235=293 | | 122=183-w | | 13/8−7/3z=−7/5z+11/12 | | 10x+61+5x+13=180 | | -7x+10=60 | | 4p-8=6+2p | | x²-12x-324=0 | | x.40=120 | | 5n/8+1/4=1/16 | | X-4y-17=0 | | 11/12t=2 | | x.40=120.1 | | –9f+10=–8f | | –7u+9=–8u | | -2.5(4x-8)=1.2(5x-1) | | 24=2x-1 | | 12x+5-8x=19 | | 7x+12=9x-72 | | 2g+3(g-4)=2(2g-6)+g | | 0=36t-0.8t^2 | | 5p-2(2p-7)=2(3p-1)+7/2 |