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+7/10 = 41/30 // - 41/30
k+7/10-(41/30) = 0
k+7/10-41/30 = 0
k-2/3 = 0 // + 2/3
k = 2/3
k = 2/3
| w+5/9=5/9 | | x/-4=6 | | 1/4t=-3/2 | | 2x=90-x | | b+5=6 | | 6+x=41/7 | | k-6/7=-115/77 | | 3b=3 | | -1/3+k=4/15 | | t-2/5=-7/5 | | -2/3n=4/27 | | 5(x-6)=3x+2 | | 20=-0.591x^2+17.432x-26.216 | | d+1/2=4/3 | | t-1/10=-61/10 | | w/7=-2/3 | | k-3/4=41/4 | | 59/9=b+6 | | x-8/9=-1/9 | | 3/4+k=27/4 | | 1/3+b=-8/3 | | m+1=6 | | b+4/9=38/45 | | n+1/5=-14/5 | | n-3/10=-19/30 | | t-6/7=-107/84 | | t+5/7=8/21 | | 3x-6=x+5 | | 19=d+8 | | 15=d+8 | | m+2/3=5/6 | | -13/8=t-7/8 |