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)
4/5-x = y // - y
4/5-x-y = 0
4/5-x-y = 0 // - 4/5-y
-x = -(4/5-y) // * -1
x = 4/5-y
x = 4/5-y
| h(x)=-2x^5+8x^4-2x^2+15 | | x*z+(ux-2x)(uz+xd)=0 | | X--4/5 | | 24=(6-X)(8-X) | | -3(-8)(-9)= | | 2x+3y-43=0 | | 500-75x=100 | | 1r-1+4=2r-1 | | 8n-2=5 | | 12+y=z | | x*z+(uy-2x)(uz+xd)=0 | | (3x+4)+(-6x-2)= | | .66x+6=.66 | | 12x^2-11x-30=6 | | 3-(4k+2)=-15 | | -(ab/6c)^5 | | 5v-5v-5v+15v=1 | | 1x/2-1y/3=0 | | 12+n=6+2n | | 1/2(4x-6)11 | | a+3=2(a+4) | | 17x/6=38/3 | | -11/2x1 | | -68(z-1)=-5(z+2) | | .50x+.45(50)=42.5 | | 4.72-0.2x=2(x+0.2) | | 88-29=59 | | 7(5)(-3)= | | 18-x/2=8 | | x*z+(y-2x)*d=0 | | 12.60/3 | | (cos(2y)-3(x^2)(y^2))dx+(cos(2y)-2xsin(2y)-2(x^3)(y))dy=0 |