If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
(12*x)/(-5) = 9 // - 9
(12*x)/(-5)-9 = 0
-12/5*x-9 = 0 // + 9
-12/5*x = 9 // : -12/5
x = 9/(-12/5)
x = -15/4
x = -15/4
| -6x+7y=9 | | 7x+(x+19)=14x+(9x-15) | | s(15+5)+25=415 | | 8(x-2)=3(2x+1) | | 8-3(2+4)=24 | | 3x+x+8=2x+x+6 | | 13=6-4y | | 2x+(x+10)=180 | | X-12=-27-4x | | 81+15=-471 | | (y-8)/(8+w)=6 | | S+2[s+3]+4s-5=148s | | 5-2(4a+1)*3a=13 | | S+2[s+3]+4s-5=148 | | a(3x-8)=-18x+b | | 50.50=4.5x+7y | | 0.8(3n+2)=0.5 | | 5y^4-18y^2-8=0 | | -42g-150=-28 | | 4/5(3n+2)=1/2 | | 4[d+2]-2d=3[2+d] | | y^2+x^2=-12x+2y+27 | | x*2+3=24 | | 4a^3/12a^2 | | 2n--7=-1 | | 2X+85=7X+125 | | 8X+26=6X+44 | | 5X+37=8X-14 | | (x+2)(x+2)=110 | | 4X+205=2X+177 | | 6-x=20-2x | | 1/10(9+3)=1/4(2-a) |