If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
7-(5*n) = 22 // - 22
7-(5*n)-22 = 0
7-5*n-22 = 0
-5*n-15 = 0 // + 15
-5*n = 15 // : -5
n = 15/(-5)
n = -3
n = -3
| 2m+10=-12 | | -3x-4=-31 | | 2.9z=52.2 | | -5/6x=-6/7 | | 6b+10=4 | | 5+6a=29 | | 8-4a=-32 | | -8b/19=-8/9 | | 4a+4=-28 | | 7.78=6.28*r | | 3+2m=19 | | -4t-8=-8 | | 9-3k=-3 | | 9+6w=21 | | 7a+9=65 | | -2m+7=-7 | | 2w+10=-2 | | -8+3d=10 | | -5b+7=-33 | | -2m+7=-11 | | 7/2=-2/3x | | X-13.7=-22 | | 5t+2=12 | | -2d-10=-24 | | -10+4w=30 | | 1-5w=31 | | 7k+5=-51 | | -5d-6=34 | | 5m+5=50 | | 3t-6=24 | | -3a+6=30 | | 3k+10=25 |