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)
(2/5)*x-((1/25)*y) = 0
(2/5)*x+(-1/25)*y = 0
2/5*x-1/25*y = 0 // + -1/25*y
2/5*x = -(-1/25*y) // : 2/5
x = (-(-1/25*y))/2/5
x = 1/10*y
x = 1/10*y
| -3(2x-6)=16 | | 3(tanx)-7=1 | | 3x(-4x+9)=-45 | | 3/4|8x–12|=6(X-1) | | x(x-1)(x+4)+12=0 | | 3x-14x-63=36 | | I=5*5 | | 3(tan(x))-7=1 | | I=25 | | 3/4|8x-12|=6(X-1) | | (4x^3)-20x=0 | | 13x+36=11x-98 | | 3x-4/5=10 | | 8a-4a=4a+6 | | 4x-7=2x+29 | | -3(6+5x)=-153 | | x/9-9=2 | | A=Brj | | -192=-6(8x+8) | | (-76)=4x+6(5x+27) | | 2x+19=-53+8x | | A=Bcy | | 14-7x+8x=-5-1 | | x^2-2x+1=60 | | c/11.25=1.25 | | 6x-5x-5=9 | | 8v^2-9v-1=0 | | 9x+8=15x | | 0=15x^3-x^2+3x-2 | | 17x-118=13x+94 | | n-7+4n= | | 2z-3y-8z+y=0 |