If it's not what You are looking for type in the equation solver your own equation and let us solve it.
t in (-oo:+oo)
t+6*t+9 = -5 // + 5
t+6*t+5+9 = 0
7*t+14 = 0 // - 14
7*t = -14 // : 7
t = -14/7
t = -2
t = -2
| -6-4b+7b=0 | | 3w-2-6w=-14 | | -6-6d-2d=-6 | | -15=b+2b+3 | | -3n+3-4n=45 | | -10=3m-m+2 | | 4+7n-4n=31 | | 5d+4+2d=32 | | -60=-5t-6t-5 | | 7-5b-6b=-59 | | -4w+9-w=29 | | 7+6n+7n=-123 | | 5d-8-6d=-14 | | 32=n+7n+8 | | -5d+2+d=22 | | -3x+5-3x=-55 | | 9+5x+7x=9 | | -10=-4a+a+8 | | -4w+1+5w=12 | | 2m+4+5m=88 | | -4t+3+3t=15 | | -15=2b-5b-6 | | 13=-2m+3m+9 | | -35=-d+6d+10 | | -43=3x+3x-7 | | 8-3m+4m=-2 | | -5k+6+6k=18 | | 20-16/8=18 | | (X-3)(x+1)=12 | | 35=6k+4k+5 | | 2x+5-3x=11 | | -7-k-2k=-43 |