If it's not what You are looking for type in the equation solver your own equation and let us solve it.
18f-12=19f
We move all terms to the left:
18f-12-(19f)=0
We add all the numbers together, and all the variables
-1f-12=0
We move all terms containing f to the left, all other terms to the right
-f=12
f=12/-1
f=-12
| 150x-150=42 | | n+4=9-2n | | 0.87m-0.5=0.18+5 | | x²-21=4x | | 4x+18=-6x-22 | | 8x+12=3x+4 | | 17p-12=16p | | 6x-37=8x-99 | | 4(7x-1)+3(2-5x)-4(3x+3=6 | | 19.8r+17.95+18.6=-15.2r-19.45 | | x×x-21=4x | | -9-23=9p-7p | | -2x-5+3x=2 | | -k+6(k+1)=4k | | 72/n=80 | | 4p-8(-4-8p)=508 | | 3x+2+127=180 | | -1x+(3-x)=2x-7 | | 2/3x+1/4x=2 | | 5m/8-6/8+3m/8=@/8 | | 3/4=x-3/8 | | 4.5(x-9)=2.96 | | 7x=x-870 | | 6x-37+8x-99=180 | | -9.04-3(0.2q-1)=-18.28 | | 3+2x+-1x+-1=3x+-6 | | 1.5^x=3.72 | | –1.6p=8 | | 4x+3.4=9.1 | | 1/4x+5/12x=4 | | 5x+24=2x-9-3x | | 3/4x+5=1/2x+15 |