If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
C = (8/3)*(k-7) // - (8/3)*(k-7)
C-((8/3)*(k-7)) = 0
(-8/3)*(k-7)+C = 0
C-8/3*(k-7) = 0
C-8/3*(k-7) = 0
C-8/3*k+56/3 = 0
C-8/3*k+56/3 = 0
x belongs to the empty set
| -14.8+22.6=x | | 47=2W+9 | | 5x+1=40 | | 5x+11-4x=8+4x-6 | | 5x+11-4x=8+4-6 | | 4x+4[10]=64 | | z+6=6+z | | 6xsquared[(3x-4)+(4x+2)]= | | 6+3x-5=8x+10-4x | | 7.8+(-9.8)= | | 3xy^2/7x | | 1/3x5=10 | | 8x+32=32 | | 3xy/7x | | 5x-(3x+15)=19 | | 180=(2Y+X)+(4X) | | -x+8.2=6 | | 0.3x-14=1.1x-22 | | 12+5k=-92 | | 5x=4+2x | | f=3/5c-9 | | 5=y/8 | | 2xy*dx+(1+x^2)*dy=0 | | 7x(4-3x)=5+(3x-1) | | 8*2-5= | | 2(5m+4)=2(3m+10) | | -5y-22=2-4y | | xz=50 | | 7(8+12)-3= | | 36x+24=2 | | g(x)=0.5+0.2(x-1) | | 5(r-4)-1=-7r+3 |