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)
k-(7/4) = -3/7 // + -3/7
k-(7/4)-(-3/7) = 0
k-7/4+3/7 = 0
k-37/28 = 0 // + 37/28
k = 37/28
k = 37/28
| 1.3t(t+8.2)=37.5 | | -6(5x+10)=-360 | | 6x-4=x-5 | | 3+9(1+5n)=18 | | -2x+2y(mx+b)=-14 | | 23/-1=-p/-1 | | 4l+2m/6=-8l+4n/3 | | 7(25)2= | | 4=-5a+2a | | (5/6)(r+6)-(4/3)(2r+10)=8/3 | | 5(10x-5)=425 | | 5a^2+33a+40= | | 7m-13=7m+1 | | 3m+5=30 | | -2(6z-3)=-15+8z | | 0.2(x+100)+0.6=36 | | -67x=-67 | | b+13=-20 | | 1/4(3/1) | | 12+2=2x | | 2(7-5(1-n))+2n=-12+3(6(n+1)-3n) | | -5x+1/2=-2/5x-4/5 | | ccc= | | 9x+6+60=180 | | 4-3/2n | | 2m-13=-3+27 | | 34=5(8h-6) | | -7(9x+10)=497 | | (u)+(2)+(3u)/(u+2) | | 2(7-5(1-n))+9n=-20+4(6(n+1)-3n) | | 9+7g-14+9g-17g=-6 | | -x^2=-4x+32 |