If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-3f=435
We move all terms to the left:
-3f-(435)=0
We move all terms containing f to the left, all other terms to the right
-3f=435
f=435/-3
f=-145
| -15w=495 | | 476=7z | | 6p=78 | | 5(4x-2)=150 | | -7(2n-5)=161 | | 6/7x+3=1/7x-7 | | 6z+2=5z+8-12 | | 2(x+4)=-3x+48 | | 15+3/5r=-15 | | (12/20)=(n/21) | | -4u+16=-2(u+1) | | 8+m+31=2m+6+2m | | 12+3/7r=-12 | | (n=22)=6=9+(22=6) | | -8-4=t | | 1/3(x+18)=-2 | | 1+20x=4(5x+3) | | 6+18x-4=9x+47-6x | | 4(u-5)=2u-26 | | 7u-45=-2(u-9) | | 2-2/5w=21-3/5 | | 7(z+6)=7(z-4) | | -8(w-5)=-3w+25 | | 15+2s+5=s+2+3s | | 6+9(8x+5=-7-(9x+2) | | -38=5w+2(w+2) | | 4n-15=-16 | | 32^-x-4=64 | | 7+h+2h=5+4h | | -37=3(v-7)-7v | | -3(8t-4)=180 | | x+18/5=13 |