If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
((9*y)/8)*y = 39 // - 39
((9*y)/8)*y-39 = 0
9/8*y^2 = 39 // : 9/8
y^2 = 104/3
y^2 = 104/3 // ^ 1/2
abs(y) = (104/3)^(1/2)
y = (104/3)^(1/2) or y = -(104/3)^(1/2)
y in { (104/3)^(1/2), -(104/3)^(1/2) }
| 9y/8y | | 8v+10=5z-17 | | 5y+35=5-xfory | | 3x^2/3-14x^1/3-5=0 | | 6z+4=-20 | | 2(2y-4)+5y=1 | | (8+1/x)/1-1/x | | 2r^2=-49+21r | | 5(x+3)/2-7x/3=4(x+8)/5 | | -5(x+7)-2=-37 | | A=M+2/2 | | 4y-8+5y=1 | | 22=-3(23-b)+2(b-2) | | 2r^2+49-21r=0 | | 4x-15/2+x+3/10=-3 | | 7-2(3x+5)-(2x-3)=-5x+3-2x | | 7-2(3x+5)-(2x-4)=-6x+3-2x | | 200/(-10)/(-2)= | | 4x+(x+6)=-29-2x | | y^2+z^2+yz-18y-18z=162 | | 7a+35-12=3a+6 | | (2x-2)/3-(2x+3)/6=x/8 | | 4[2+3(9-6)]= | | 3.8x-1.8=6+11x | | 32x+4y=24 | | 10d+26-14=8 | | (X+5)(X+2)=117 | | y=(c-b)x+1 | | y=(x-b)x+1 | | -4y+2=-2(y+9) | | x-1/8-1=x-9/7 | | 0.3(3z+7)+12.9=0.5(3z-6) |