If it's not what You are looking for type in the equation solver your own equation and let us solve it.
q in (-oo:+oo)
15 = (3*q)/2-9 // - (3*q)/2-9
9-((3*q)/2)+15 = 0
(-3/2)*q+9+15 = 0
24-3/2*q = 0 // - 24
-3/2*q = -24 // : -3/2
q = -24/(-3/2)
q = 16
q = 16
| 7x-6=2x-8 | | 21x-5-13x+4=18x-3-10x+16 | | 3b-5+-b= | | =2.15(2x^2-4x-6) | | 1/3(2x-1 | | 0=3t^2-12t+2 | | -3y+12y-39=-12 | | 2z-(1+i)z=4+i | | 2.5x+3y=40 | | 1.3+0.1x=0.8 | | 15=3q-9/2 | | 11tanx+7=20 | | 4x+3=2x+y | | 9=2.15(2x^2-4x-6) | | 11anx+7=20 | | 8x-6+1+7x=180 | | 3x+4(2x+2)=-14 | | 5m^4+30m^2-200=0 | | 6y=(3x)+3 | | 4(t-3)/2=20 | | 3(5x+3)=8 | | -1x+21-3x=-11 | | 2(a-2)+5(4a)=106 | | a*5-9=3*5-a | | (x^2+3x+2)(x^2+3x+4)=48 | | 6x-2+5x=5x-8 | | 3-2(2x+3)=2x+4(x-8) | | x+9x=264 | | 7-19=7x-5-6x | | 6x-5x+13=13-4 | | -9x-2+5x=5x-8 | | 11.5x+3=2.5x+30 |