If it's not what You are looking for type in the equation solver your own equation and let us solve it.
20f+-(-8f-15=3(4f-5)
We move all terms to the left:
20f+-(-8f-15-(3(4f-5))=0
| -30=-4p | | 2h+17=1/2 | | 32+90=1x | | 13x+5+80+6x=180 | | 151+53=x | | 5(6v+8)=-15 | | x+11.5+2x=115 | | 2+(h-17)=1/2 | | -4(6y+3)-4(-5y-6)=18y-23 | | 13n+(-3n)-(-16)=6 | | z+3z+25=125 | | 0.15-0.2x=0.3(x | | -23=3(9r+7) | | x=x+9 | | 9+-2/5p=4 | | 49x=4,263 | | 5y-9-6=-27 | | -6=(-7)+c | | -11+14p=-7 | | 5,503+x=5,714 | | 12x-7=7x+10 | | -7a-9-6a=17 | | -5(2x+9)=-3(x+10) | | 2x=x+4=x+16=x+10 | | 1.3^x=8 | | 1/2x=144 | | 3q=13 | | 8=2x-6+14-2x | | w/6+42=45 | | 193.75m=25 | | 5.4x=0.4 | | 21=3(q-72) |