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)
-13 = 4-(x/3) // - 4-(x/3)
x/3-13-4 = 0
1/3*x-17 = 0 // + 17
1/3*x = 17 // : 1/3
x = 17/1/3
x = 51
x = 51
| 9+3a-4=0a+20-15 | | 5.50+2.20h=13.20 | | 3x+3=30Whatisx | | 6=x/14 | | y=-59x | | x=ab+cb-d | | 5x+8=00 | | 2b+5c=23 | | 10a+3c=9 | | y=-57x | | -3a=36 | | -2a=32 | | 1/4(12x-8)=7 | | 3m(4-m)=0 | | 99c+8525512=1 | | 7-3/4x=1/2x-3 | | 4x+9=-4 | | n^2-22n+105=0 | | n^2-22+105=0n | | 6x-40= | | n^2-22+105=0 | | 69+9x=114+4x | | -7+x=-2 | | n(n-1)/2=45 | | y=-37x-13 | | .3x+.2y=2.5+3.5 | | y=-99 | | y=-430x | | Y/6.4=4 | | y=55x-36 | | y=x+-392 | | y=5x-39 |