If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13q-12q+3q=20
We move all terms to the left:
13q-12q+3q-(20)=0
We add all the numbers together, and all the variables
4q-20=0
We move all terms containing q to the left, all other terms to the right
4q=20
q=20/4
q=5
| 11=p/2=7 | | 15r+r+3r+r=20 | | 18c-10c-6c+4c=18 | | 4K+k+2k=14 | | 5t+t-4t-t+3t=16 | | 4/f-2=2 | | 12x-23=414x+3 | | 21/4=12/7÷x | | 18r-17r=14 | | X^2-66x-1225=0 | | 17y-16y=15 | | 21 4=12 7÷x | | 3x(24x+29)=0 | | 3v-2v+3v-v-v=10 | | 3/4x+1/2=4 | | 4x^2=1296 | | -12b-6b=-6 | | 7u+-10=18 | | 20=k-3 | | 5(5x+9)=13-x-7 | | r+2=-2 | | X-0.13*x=2500 | | 7h-4h+4h=14 | | 2a-a+3a=12 | | X=2500-0.13*x | | 2=w+11/3 | | -7w+-6w-5w-14w+-2w=-20 | | 31^x=93 | | 132-y=190 | | 26+x+46=90 | | -11m+-9m+11m+-5=4 | | -10d+-6d+-19=13 |