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)
(1/3)*x-((1/9)*y) = 3 // - 3
(1/3)*x-((1/9)*y)-3 = 0
(1/3)*x+(-1/9)*y-3 = 0
1/3*x-1/9*y-3 = 0 // + -1/9*y-3
1/3*x = -(-1/9*y-3) // : 1/3
x = (-(-1/9*y-3))/1/3
x = 3*(3-(-1/9*y))
x = 3*(3-(-1/9*y))
| 2sinx-2^(1/2) | | -16t^2+33t+7=23 | | -3(1x-1)+4=6(1x-4)-5 | | 5t^2+23-10=0 | | (x^2+6)(x^2-2)= | | 2c+3c+9=36x | | -3(1x+1)+4=6(1x-4)-5 | | 5t^2-37t+14=0 | | 3(x+y)=p | | 28-(-16)= | | 55/x=65/195 | | 9/45=3/x | | 2(1x-4)+6= | | g(x)=x^4-16x^2-40x-25 | | (y-5)=11 | | 3(3+1x)+9= | | x/7=8/200 | | 2/3(c-18) | | x-15=62 | | 5r-5s=140 | | x+65=104 | | r-5s=0 | | 11/113=15/x | | x^2=10+x(7-9x) | | 13*10= | | 10X^2-24=30-12X | | -3y+6x=-15 | | f(x)=x^4+2x^3-9x^2-2x+8 | | 2a-4/3=8 | | 39/40=92/x | | 9-8x=28x | | 3x-6=96 |