If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( y )
y = 0
y = 0
y = 0
y in (-oo:0) U (0:+oo)
(2*y)/y-8+1 = (7*y)/y-8 // - (7*y)/y-8
(2*y)/y-((7*y)/y)-8+1+8 = 0
(2*y)/y-8-7+1+8 = 0
-4 = 0
y belongs to the empty set
y belongs to the empty set
| 1+0.14x=3 | | 6x-1+x=7x-1 | | 5/8(0.625)+28 | | -10*107+7y=-70 | | (x+6)/3+(3x/4)=25/12 | | 4x-24=6x-2 | | 315/7000=7000r/7000 | | -10*107+7=-70 | | 39.99+1.25x=100 | | 3x-18+2=5x-4 | | 50=x(0.07)+x | | 4c+6=13 | | -7/15y=14 | | 9n-2/4=22 | | -3/2w=21 | | y=(-2/5)(2)+4 | | 40=20-(3-x) | | 7(3x+2)=140 | | 5x^3-34x^2-7x=0 | | 4(-1x+1)=-20 | | -2a+3=-6 | | 4(3.7)+3.7y=-8.5 | | 2x+3x+4x=18+18 | | -10+7=-70 | | -x+2=x-2 | | 62=2(k-7) | | 2(5-6x)=-62 | | -2x-5y=9 | | 1.33p-14=p+13 | | 15x-15=33/4 | | 4(2+2a)+8(7+5a)=16 | | 5y+4(-5+3y)=1-y |