If it's not what You are looking for type in the equation solver your own equation and let us solve it.
q(-9)=12
We move all terms to the left:
q(-9)-(12)=0
We multiply parentheses
-9q-12=0
We move all terms containing q to the left, all other terms to the right
-9q=12
q=12/-9
q=-1+1/3
| -2x-3(x+5)=-2x | | 2-5x+4=9-3x+1 | | 0.50x+0.45(30)=34.5 | | 3x-2x+x=80 | | 10(v–7)+1=21 | | 6y+1=8-9+6y | | 47=-3+5(x+4) | | 47=-3+5(x=4) | | -9n=-10n-1 | | -20x+14x+7x=-17-21 | | 3(1-4n)=-57 | | -7u-3=-10u+7u+1 | | 61=16-5x | | S(t)=2t+5 | | 5(64p-128)=40 | | 2x+3-8=9 | | -5-4(1-4x)=55 | | 20+x=13+x | | b–4=28 | | 5x-7-8x=-1 | | 3=7(m-2)+17 | | 219=4+5a | | -5(5x+3)+1=-44+5x | | 4(2a+1)-7(a+2)=12 | | 3m+64=5m | | –9+10f=–1+f+9f | | 4=9-3x+13 | | -6=-10+v2 | | 11x+6=193. | | 0.40(5k+35)-8=12 | | 2(x+1)-3=10 | | 2x+5=8x=5 |