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)
40 = (5/2)*k // - (5/2)*k
40-((5/2)*k) = 0
(-5/2)*k+40 = 0
40-5/2*k = 0 // - 40
-5/2*k = -40 // : -5/2
k = -40/(-5/2)
k = 16
k = 16
| y-(-2)=7/8(x-3) | | -32=-16-m | | -3/5+x=7 | | 12x^2-48x+32=0 | | f(x)=2x+x^2+3(4x)+17sf(7) | | f(x)=2x+x^2+3(4x)+17solvef(7) | | (1/3x)+(1/4)=1 | | 1/3x+2(1/3+5)=12 | | (p-2)(5p+3)+(p-2)(p-2)= | | 7p+2p=p-6 | | 3(x+4)+1=-4(x+2) | | 2x+3y=6+4x+6y+0 | | 61=36/x | | 2x+3y+6+4x+6y=0 | | x+2/3=10 | | Ax+2y=c-2ax | | 18y/35-8=5-7y/5 | | -80=-4p | | 26-abs(4x-5)=6 | | 9-2y/3=y | | 6+7=113 | | y-(-9)=4/5(x-8) | | 1/3(15-6p)=4-2p | | 6=-5(x+2) | | D/8=-4 | | -r=-44 | | y-2=-5/2(x+1) | | 1/3x+2(1/3x+5)=12 | | 5/7p=40 | | 8d-d+6d-6=6d | | 34x-67=57 | | -5y=6x-2 |