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)*x+y = 4 // - 4
(2/3)*x+y-4 = 0
2/3*x+y-4 = 0 // - y-4
2/3*x = -(y-4) // : 2/3
x = (-(y-4))/2/3
x = 3/2*(4-y)
x = 3/2*(4-y)
| 10x+3y=-12 | | 1/2(8)(4.5)= | | 3+8y=7y | | 9x=646 | | 13x-6=4+15x | | 19x-32=3 | | 8b-3=9 | | 7x6/7 | | 11q+-15= | | 1+4y=4 | | 6x^2+6xy+y^2=0 | | -33+2(2k+3)=37 | | 3x+y=-21 | | 28/(3-7)+2^2 | | 2x+2y+2z=-2 | | 5d+3=12 | | -16+2a=-8(2-3a) | | 4(5x+8)=32-8x | | 108/9 | | 2a-7a=3 | | 1/4-5/8 | | b=jq | | 5(2y-1)-6(y+2)+3=6 | | -23-3k=-5-3(3k-6) | | x^3-8x^2+11x+20=0 | | 12x+30=6 | | 108/2 | | -2-2(1)= | | m/7=13 | | (-6x-2)-(5x+3)= | | 2x+2x=25 | | y^2-x^2=0 |