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)
x+4 = 3*x+0 // - 3*x+0
x-(3*x)+0+4 = 0
x-3*x+4 = 0
4-2*x = 0 // - 4
-2*x = -4 // : -2
x = -4/(-2)
x = 2
x = 2
| -7-n=n-9 | | 7+6w=3w+37 | | -5d+3=12+4d | | 6w+8=14+7w | | 10+m=-5m+4 | | x^5+x^3-1=0 | | 5+4t=7t+20 | | -5+2d=6d-1 | | 7a-4=5a-10 | | 3/4x=-12/7 | | 4m-3=-m+22 | | 4a+7=7a-14 | | -6-4x=3x-27 | | 8+3k=7k+12 | | 5d+2=d+34 | | 4x-3y-2x+5y= | | -2n+2=3n-18 | | 3a-2=-4a-86 | | -7x-1=17-4x | | 7b-7=-7b+119 | | -1+3m=-3m+59 | | 5-3d=3d-31 | | -w+5=-51+7w | | -6a+10=-53+3a | | 4+3m=-6m+4 | | -5b+2=-3b-12 | | 7a+7=-a+7 | | 9+5d=4d+13 | | -2n+2=62+4n | | -7-7t=-2t-52 | | -3+6n=4n+9 | | 8+7w=-w-80 |