If it's not what You are looking for type in the equation solver your own equation and let us solve it.
18+3(9f-13)=0
We multiply parentheses
27f-39+18=0
We add all the numbers together, and all the variables
27f-21=0
We move all terms containing f to the left, all other terms to the right
27f=21
f=21/27
f=7/9
| 4n+6=30-2n | | 5+2k=10 | | -6x-4x+2=5x+17 | | 6(2x-5)=-34 | | 48n–18=174 | | 6x-5=23+4 | | x(x+1)/2=66 | | 5/4x+4=14 | | 2y+5(y-4)=4Y-2(y-10) | | 15x+3x-8=85x | | X+x+3+x-3=60 | | b/2+5=2 | | -2|x-6|=-12 | | 5/6(t-2/5)=3/4 | | X+2x+2x-18=57 | | 3r^2+16r-12=0 | | 21-4v=22 | | 5y-8=y+8 | | 5p-5p-2=6p-5p | | 2w=18-1w | | 5x=7=22 | | H=38+16t-16t^2 | | -1x+5+4+4x=1+5x+3 | | 8^3x/8^2x+1=8^9 | | 2y-8=11 | | -18x+7x-5=-3x+15 | | 59x-19=196 | | 3=-3y+5(y+5) | | 5e-2-3e=36 | | 1x-3=15x-24 | | 6=6X+8(x-8) | | 1/2(x-26)=13+7x |