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+5 = 54 // - 54
7*k-54+5 = 0
7*k-49 = 0 // + 49
7*k = 49 // : 7
k = 49/7
k = 7
k = 7
| 2t-6=-18 | | -4n+6=-10 | | -2+6t=-44 | | -8-3k=-8 | | 7a+1=8 | | 10x^4-5x^3y-75x^2y^2=0 | | -21=9a-15-13a | | -3y-4(8y+6)=8+8(7-y) | | 7/12d+3=-1/6d | | 2-6d=-70 | | 3+5d=3 | | -3a+7=-8 | | -4a+10=-22 | | 7+3w=43 | | 5k+8=53 | | 4d+3=31 | | -7+4n=-7 | | 4w+1=9 | | 6t+10=82 | | 1/3n-6=-2 | | 3+7b=3 | | -3n+9=12 | | y=.6x-2 | | 7p-5=6+8 | | 7=0.5a-5 | | x^2+10x+25=-64 | | 5-4m=37 | | 6k-2=-2 | | -6-7n=-20 | | -2+2t=0 | | -3t-4=29 | | -5b+2=37 |