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)
y/7-3+3 = 0
1/7*y = 0 // : 1/7
y = 0
y = 0
| 16x+9y=160 | | x+x+31.4+x+25.6=190.4 | | x/6*6 | | 18/(x-4)=1+20/(x+4) | | 0x+2y=12 | | ln((3x^3)+5)=0 | | ln(3x^3+5)=0 | | lnx+3x^2+5=0 | | ln(x)+3x^2+5=0 | | y+16+3y=128 | | 5.2y+3.6=-1.2y | | 25/-3 | | -2(v+7)=-6v-34 | | x+3x+14=126 | | x+3x+17=125 | | x*x-18x=144 | | u=v-18 | | 3(x+16)=128 | | 3*7/8 | | 3x+16=128 | | 8z=y | | 20-.14= | | Cos^2x-sin^2=sinx | | 3(x+1)=x+21 | | 16.36-20= | | 3(3+x)=23+6 | | 4w-4=-24 | | 59=5w+9 | | 7-7y=-3y+6 | | Findf(2)whenf(x)=x^2+2x-2 | | -2/5v=-6 | | 9+3x-x=23 |