If it's not what You are looking for type in the equation solver your own equation and let us solve it.
k in (-oo:+oo)
(-3/8)*k = -1/4 // + -1/4
(-3/8)*k-(-1/4) = 0
(-3/8)*k+1/4 = 0
1/4-3/8*k = 0 // - 1/4
-3/8*k = -1/4 // : -3/8
k = -1/4/(-3/8)
k = 2/3
k = 2/3
| -10-10z=(-4z)+8-8z | | 16x^3-62x^2-85x-25=0 | | -10m+4=(-9m) | | -10m+4=(-9) | | 6=6(2x-5) | | 2y-5=3y-8 | | 5-10f=(-8f)-9 | | 9c+9=8c | | .25(12+4s)-.5(10+2s)= | | 4+9j=8j | | 2x-(3-x)=7x-1 | | -8+6w=(-2w) | | 25(12+4s)-.5(10+2s)= | | (-3)m+4+5m=(-6) | | 6p+7=5p | | -9-7r=(-4r) | | 15x=6x+63 | | x+.71x=200 | | 16x^3-62x^2-85x+25=0 | | (-4)=(-9)-7r | | 6+5x=8x-18 | | 3xsquared+22x+35=0 | | 0.6x+0.7=0.9x-0.2 | | (8x+5)*(2x^2-9x-5)=0 | | 3ln(x-1)=-6 | | (7+5i)*(7-8i)= | | (7+5i)+(7-8i)= | | (3x-2)/5=3x^2-2x | | 14p-7p+4p+7p-17p=49 | | 14m+(-10m)+8m+(-6m)+(-15m)=18 | | n/-5-3 | | 16g-16g+g+g-1=9 |