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/3 = 3 // - 3
k/3-3 = 0
1/3*k-3 = 0 // + 3
1/3*k = 3 // : 1/3
k = 3/1/3
k = 9
k = 9
| -9(n+7)=8n-2 | | y=xsquare-3 | | -16/60=x-35/60 | | -3-2(x+5)=-13-2x | | 9c+d-7d+4c= | | 3(7e+5)=36 | | 6+5x=4x+5 | | 15x-5.16=-2x+4.12 | | 4x-10=-6x+90 | | X^4+16x=0 | | c=2x22/7x21 | | 4/5:x=8/15 | | 6-5n+4n=n+n+8 | | 4x+10=x+43 | | 6/7×2,8 | | 6x-3-7x=-7 | | 4(5v-5)+6(1-6v)=-46 | | -2x+3-3x=28 | | -2x+3-7x=-7 | | 5(2+8x)-8=-238 | | 7t/3=21 | | 2(8m+3)=22-8 | | -4/15=x-7/13 | | 3*2-m=24 | | 10(y-6)-6(y-3)= | | x^2-5/2x-11/16=0 | | 2x*9= | | x-5-3x+2= | | 3x+2-x-5= | | 2(4r-4)-4(3r-9)-14r= | | 6y=-4y+12 | | 9=r/3- |