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)
-2 = d-9 // - d-9
9-d-2 = 0
7-d = 0 // - 7
-d = -7 // * -1
d = 7
d = 7
| b+1=-4 | | w-9=-7 | | 4-5(8n+3)=-7(6n+1) | | 2(3p+2q)+5(3p+q)= | | 10(7y-2-3)=4(2+6y-4) | | 5x+4=15y+4 | | k/2=6 | | t+6=18 | | -9=a-1 | | 4=k+6 | | -4=d-10 | | 2x+1=2y+1 | | 2x+5/8=3x-5/8 | | 7+3(2+w)=5(w-3) | | 15=t+10 | | 7d=-49 | | 2k=-12 | | -6t=-54 | | 2t=12 | | b/7=5 | | -6(1+6b)=-6(-3+7b) | | 6-1/10x=1/5 | | 3z+3c=70forz | | 10+t=5 | | -4+d=6 | | a-6=-2 | | n=5P+4 | | m/4=-4 | | 1/3x+2/5=11/15 | | 2x+3=2y+5 | | 8=n-2 | | a-4=0 |