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)-(4*n) = -29 // + 29
7-(5*n)-(4*n)+29 = 0
7-5*n-4*n+29 = 0
36-9*n = 0 // - 36
-9*n = -36 // : -9
n = -36/(-9)
n = 4
n = 4
| 8+1/6w+2/3w=77/9 | | 2/7t-3/7-6t=127/77 | | -76/11=-4a+2a-6 | | m+1+m=5/3 | | -29/28=-6/7b+1/2b-5/7 | | 5+3k-1/2k=0 | | -60/7=6/7m-2m+4 | | 3k+1-1/7k=227/7 | | -2/7-2w+w=3/7 | | 67/360=-1/4t+2/5t+1/9 | | -378/5=5d+4/5d-6 | | 202/77=-3/7t+3t+2/7 | | -2/5x+8/9-3/7x=5149/3150 | | 7t+3+5/6t=65/6 | | 7n-3+6n=49 | | -2/7+4a+4a=106/21 | | 43/70=4/5b-5/7b+4/7 | | 13x+12=6x+145 | | -1/3+1/4d-5d=-1/3 | | -44/45=x+2/5x-2/3 | | 91/55=6x+3x-4/5 | | -x+1/5-4/5x=101/55 | | 7+6m+5m=18 | | 1301/441=-4t+3/7t-1/9 | | 3/7m+3+2m=106/7 | | 3m+9/10+m=107/30 | | 11/7=2k+1/7k+8 | | n-5/6+n=-19/66 | | -151/10=-w-2/5w+3/10 | | -1/4m+3+4m=111/22 | | 4m+3/7-4/7m=65/21 | | 4+2k+3/7k=155/77 |