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 = 1-(y/4) // - 1-(y/4)
y/4-1+9 = 0
1/4*y+8 = 0 // - 8
1/4*y = -8 // : 1/4
y = -8/1/4
y = -32
y = -32
| 8x+1=21+5 | | -10r+21=-81 | | -1.03x+9=5.42 | | A-17=-27 | | -z/8=40 | | 0,4x-6=0,6x-9 | | u^4+18u^2+81=0 | | 0.3039=-.5t-.5t^3+t^4 | | 2X+-3Y=5XY | | 7/3=/35 | | -w/8-7=-9 | | x/5-0.35=1 | | X/8=26 | | 2x+9=14.4 | | t-7/2=8 | | -12=-6w+4(w-2) | | 0.25x=6+0.15x | | 4n+2n-6=12 | | 8+6y=4xy | | -3x+7(x+2)=-26 | | 1/5x-10=-15 | | 5(x-3)=10(x-4) | | 8x-1=15r-15 | | 30(0.25x)+40(0.75x)=150 | | 8=2(v-2)-6v | | 7.5=log | | f(x)=-(5/4)^X | | 3(y+1)=2(y+7) | | 5(y-2)=2(y+1) | | 2ln(2x+3)=0 | | 8x+24=11x+9 | | 8(3x-1)=198 |