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)
10/3-((1/3)*y) = x // - x
10/3-x-((1/3)*y) = 0
(-1/3)*y-x+10/3 = 0
10/3-x-1/3*y = 0 // - 10/3-1/3*y
-x = -(10/3-1/3*y) // * -1
x = 10/3-1/3*y
x = 10/3-1/3*y
| 6*9+2*6= | | 2x^2-3x=90 | | 9*6+9*2= | | (6*9)+2= | | 6*(9+2)= | | 25x^2-70x=49 | | 4x-8/12x-6 | | 5x^2-26x=63 | | 3n^2-6n= | | 1.5x10^8/3x10^5 | | .625=tanx | | S(t)=t^4-8t^2 | | 4n^2-12n+8= | | k^2-3k+4=0 | | x-(6x+9)= | | 3+3*3-3+3=x | | 49a^2-1/4x^2 | | 3w^2-9w-26=0 | | 4x^2+-9x=10 | | 6(a+2)=-30 | | a/-2=1 | | 2(x-5)+4=x-3+3x-3 | | 6x^2+-3x=2 | | 4x^2(3x-2)=0 | | 8a+2b+2c-a-2b-6c= | | (-6)(x+8)=0 | | 4x+12y-4z=12 | | 3a+2b-c+5a+3c= | | 3x+6y-3z=6 | | https://ua.epic-sam.net/Resource/3861378/Templates/Data/ACT_INDIVIDUAL_RF7J_2/56ec00fa21aa4ce29fad47d5e1c4ffe6.png | | 1/4x=3/8=9 | | Tanx=4/15 |