If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( k )
k = 0
k = 0
k = 0
k in (-oo:0) U (0:+oo)
9/10 = 9/k // - 9/k
9/10-(9/k) = 0
9/10-9*k^-1 = 0
-9*k^-1 = -9/10 // : -9
k^-1 = 1/10
-1 < 0
1/(k^1) = 1/10 // * k^1
1 = 1/10*k^1 // : 1/10
10 = k^1
k = 10
k = 10
| -6x+7y=7 | | 0.35/1.3×4.5/1 | | 400=2*3n | | 10x=-21 | | 400=2*3x | | 2x+3+3=4x+3-4 | | x^2y^2-9y^2-4x^2+36=0 | | 5q+6q=32 | | -x+8y=31 | | y+(-7)=-5(x+1) | | -102=-44-r | | 6225=83x | | 3(0)+2y-3=-9 | | 8x+16x^2y= | | n+(-22)=33 | | 64x^4y^2-27xy^5=0 | | 18=n+(-5) | | 10x+y=114 | | 4v-14=18 | | 28-m=38 | | -2=p/15 | | (2x+3)(4x-7)= | | 0.9X+0.5Y=4.7 | | B/24=-27 | | 0.4x+0.3y=2.4 | | -0.875=n/3.2 | | z-13=-7 | | 0.5/0.8=220/n | | z-20=-8 | | -32x+43-20x=-25+30-45x | | .3x+1=4 | | 2(x+1)+(x+1)-(x-2)=9 |