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)
(2/3)*y = (-1/5)*x // - (-1/5)*x
(2/3)*y-((-1/5)*x) = 0
(1/5)*x+(2/3)*y = 0
1/5*x+2/3*y = 0 // - 2/3*y
1/5*x = -(2/3*y) // : 1/5
x = (-(2/3*y))/1/5
x = -10/3*y
x = -10/3*y
| 6y+7x=18 | | 2/7*91 | | 3x-6=-x-5 | | x^2+19x+102=0 | | 8x^3-3x^4-48=0 | | 15/3.2 | | 2/7*77 | | 2/7*42 | | 1/5w-4=6/5w | | 3x^2-12x-12=0 | | 2-6x=5-5x+5 | | 5X+4Y=9FORY | | 1/5*70 | | 1/5*15 | | 1-2x=7x-53 | | 24t^4-275w^3t= | | 1/5*10 | | b/25=4 | | 7x+7=7(x+4)-4 | | 2n/5-23n/20= | | 10x^2+x-60=0 | | -3-4(3-5x)=85 | | -8x=3x-11 | | 1/2*32 | | -8x=3x-12 | | (-6x+12)+(12+-24x)=-36 | | 1/3*15 | | -84=-3(3n+4) | | 1/3*12 | | 6x+5=6x+3 | | 8y+43-7y=(-15) | | 7(2+5x)=-29-8x |