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)
(7*k)/8-((5*k)/16)-(3/4) = 3/8 // - 3/8
(7*k)/8-((5*k)/16)-(3/4)-(3/8) = 0
(7*k)/8+(-5/16)*k-3/4-3/8 = 0
9/16*k-9/8 = 0 // + 9/8
9/16*k = 9/8 // : 9/16
k = 9/8/9/16
k = 2
k = 2
| n/4=-15 | | 180=3x-100+(x-10)+(x-10) | | 7-3(6+u)-2u=67 | | 28/9=-13/4b | | 5r+9.5-2r=3.5 | | -20=6 | | 3(x-1)-(x-30)+5(x-2)=18 | | x-25=13 | | x+39=8 | | 1/4x-4/5=-3/2 | | (2x+1)=44 | | -73+3x=15x-6 | | (3-3y)-y=5 | | 18x+6y=23 | | w/-3+(6-1)=2 | | -4x+7=-3 | | 5x-2=-37 | | 5(2b-3)=2(b+7)+11 | | -x+10=105 | | x-(-9)=12 | | -7(8-5r)=21 | | w/-3=-3 | | X^2+6x-b^2/2 | | 14+6/18x=40 | | 4x-7+2x=9x+15 | | 50-6t=100 | | 3x+9x-(6x+5)= | | -12x^3+60x^2+75x=0 | | 46+x=21 | | a+5d-7=0 | | z-36=-42 | | 1-4c=980 |