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)
-((2*y)/5)-4 = -12 // + 12
12-((2*y)/5)-4 = 0
(-2/5)*y-4+12 = 0
8-2/5*y = 0 // - 8
-2/5*y = -8 // : -2/5
y = -8/(-2/5)
y = 20
y = 20
| 6/5(5-4c)=-18 | | 2(x+9)=-6x+2 | | 2g-6/5=-4 | | R=7vb | | -4/-10w | | m^3-16m^2-4m-24=0 | | 3y+6=8(y-3) | | 4x+x+12-4+2x= | | 315=5x(9) | | 8z+7z=45 | | 6x-(x+2)=3x+11-x | | y-x=100 | | -7(w-2)=4w-8 | | 8z=6z-1 | | 4p-4=2p+44 | | x=0.20x+10 | | 63=-16t^2+64t+3 | | 3-5n-3n=35-72 | | x=0.20x | | -4(m-8)=2m-4 | | 4(6+q)=64 | | 6x-x+2=3x+11-x | | (4x+9x)*(8y+2x)=92 | | -10(-y-9)= | | 7-3x+1=4x+1 | | 142=40(5)+6 | | 142=40(x)+6 | | -(-m+7)= | | -35=5/7u | | 6(-1-6z)=-6 | | 16/5=-8v | | 8x^3+27x^2+54x+27=0 |