If it's not what You are looking for type in the equation solver your own equation and let us solve it.
d in (-oo:+oo)
(1/2)*d-((1/2)*d)+7 = 7 // - 7
(1/2)*d-((1/2)*d)-7+7 = 0
(1/2)*d+(-1/2)*d-7+7 = 0
0 = 0
d naleu017Cy do R
d in (-oo:+oo)
| 122/5=7m-4m+2/5 | | 3m-6+7m=24 | | 2613/440=7n-1/5n+3/8 | | 44=d+4d+4 | | 8+5/7m-7m=8 | | 11/8=-3/4w+4w+3 | | -d+6/7+6d=76/7 | | 1/3x+8+4x=154/3 | | -9+6m-7m=-42/5 | | -5/7+t+3t=23/7 | | 1/6+1/6m+2m=29/18 | | 6=2m+4m+4 | | 7+5m-m=27 | | 1/2-5/6m+3m=27/2 | | -3/8-1/3a-4a=-1153/24 | | 2=d-2/3d+1 | | 440/9=m+5m+8/9 | | 65/7=6a-a+5 | | -6w-1-4w=-81 | | 2x-5=68-5x | | -3r+44=28 | | 5/7d+1+7d=55 | | -8+t-4/5t=-8 | | 1/2a+1/3+3/5a=-94/15 | | -36/5=3b+3b-3 | | 1/3+7k+4k=1/3 | | 4x+7+4x=47 | | -6=y-4 | | 2/3-2m+m=-1/3 | | -56/5=-6a+7a+4/5 | | 2/3k+5-k=9 | | -73/5=4/5d+2/3d+3 |