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 = x+2*x-10 // - x+2*x-10
10-x-(2*x)-10 = 0
10-x-2*x-10 = 0
-3*x = 0 // : -3
x = 0
x = 0
| -10-m-5m=-58 | | -10-7b+5/7b=-598/7 | | -10-4k+k=-122/11 | | -10-4/5x=-53/5 | | -10-3/7n=5n-412/7 | | y=1/2(2)+2 | | (3(x-2))/7=5/6 | | 1/6(10x-4)=4 | | y=1/2(0)+2 | | -10-3/7n=-46/7 | | -10-3/7m=6m-635/77 | | -10-2d=-11 | | -10-2/3x=-40/3 | | -10+x=-131/12 | | -10+x=-10 | | -10+w=-120/11 | | y=1/2(-4)+2 | | -10+w=-6 | | 10(x-1)=2(2x)-5 | | -10+t=-7 | | -10+n=-98/9 | | -10+k=-37/4 | | -10+7t-6t=-41/4 | | -10+7m=-87 | | -10+6w=32 | | -10+6/7k=-454/49 | | -10+5/6a=-65/6 | | -10+4/5w=-53/5 | | -10+3/5a=-53/5 | | -10+1/5x=-41/5 | | -10+1/5m=-51/5 | | -10+1/4b=-81/8 |