If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
4*a-(2*a)+2 = 6 // - 6
4*a-(2*a)-6+2 = 0
4*a-2*a-6+2 = 0
2*a-4 = 0 // + 4
2*a = 4 // : 2
a = 4/2
a = 2
a = 2
| 2=-k-k+10 | | m+4-2m=-8 | | 2x-4-3x=-12 | | t+1+5t=73 | | -9+4k-6k=-27 | | -1+6w+3w=-82 | | 26=2t+3t+6 | | 4x+10+3x=-11 | | -10+4t-2t=-30 | | 4+5k+4k=4 | | 6n+3-n=58 | | 4m+3-2m=-7 | | 4m+3-5m=-9 | | b+3-6b=43 | | 7n-4+7n=-4 | | 34=4b-b+10 | | 6a+10-5a=12 | | -3b-1+5b=7 | | 5t+7+6t=84 | | -13=6x-7x-10 | | -36=-7k+2k+4 | | 2n+4+n=13 | | -6x+8+7x=11 | | -3a+6+2a=10 | | 3+4k+2k=-21 | | -8+4x-3x=-7 | | -6b+6-2b=-90 | | 7x+7+5x=127 | | 3=-4w+3w+9 | | -2w+6-7w=-75 | | 18=3a+4a+4 | | 8=2t-t+4 |