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)
4-(2*x)-(y/3) = 4 // - 4
4-(2*x)-(y/3)-4 = 0
4-2*x-(y/3)-4 = 0
-2*x-1/3*y = 0 // + -1/3*y
-2*x = -(-1/3*y) // : -2
x = (-(-1/3*y))/(-2)
x = -1/6*y
x = -1/6*y
| (4q/3)-(2q/5)=9 | | 16=4+3h | | 17/34=7/t | | 8-6+(-7)-15-1= | | 4q/3-2q/5=9 | | -6=75(r-12) | | 3(x+4)+2x=5 | | 3e=21 | | 1/4x=60-y | | -1-9=4x+8-3x | | 4-15=z/-8 | | 39+24x=29+26x | | x-24=43 | | 39+24x=29+26 | | 90x+70=80x+120 | | -7x-6=-10-6x | | 3x-x+7=-5 | | 13x-8=12x-8 | | 14x+15=20x+9 | | (15x+5y)+(50x+25y)= | | 7x+11x=280 | | 2b/2=6 | | 9t+4(7-2)=t+6(t+1) | | 70x+90=80x+120 | | 11(y+1)=66 | | 5b-12=12 | | -35x-10=-4x | | 7x-9=2x+12 | | P=5x+2.2 | | 3/4=26/x | | 5.4=-8.64+4.8m | | (5/7)4 |