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)
43 = 6*a+3*a-2 // - 6*a+3*a-2
2-(6*a)-(3*a)+43 = 0
2-6*a-3*a+43 = 0
45-9*a = 0 // - 45
-9*a = -45 // : -9
a = -45/(-9)
a = 5
a = 5
| 23=a+7a+7 | | 4m-4+m=46 | | 5=2w-5w+5 | | 7a-4+5a=116 | | -6+3a+6a=-105 | | 6x+7+7x=85 | | 4-7t-t=-44 | | -5w+7+w=-37 | | 5k+1+6k=78 | | 2+3t+2t=17 | | 2+6k+k=72 | | 10-2m+5m=-5 | | 0=-4w+3w-9 | | -20=b+b-6 | | 9-3k-7k=39 | | -3a+3+4a=-8 | | 5+2x+7x=86 | | -2n+7-n=19 | | -7t+7-5t=67 | | 7w+2-6w=14 | | 13/7*3/5 | | 9+3n+3n=45 | | -24=k-5k-8 | | 6n-8-3n=7 | | 3+7a+2a=-96 | | 40=-t+5t+4 | | 13/7x3/5 | | 8=6m-5m+9 | | 3+4x+6x=-27 | | 4a+8+3a=92 | | -17=-6x-x-10 | | -9=5n+2n-2 |