If it's not what You are looking for type in the equation solver your own equation and let us solve it.
z in (-oo:+oo)
16 = (8/9)*z // - (8/9)*z
16-((8/9)*z) = 0
(-8/9)*z+16 = 0
16-8/9*z = 0 // - 16
-8/9*z = -16 // : -8/9
z = -16/(-8/9)
z = 18
z = 18
| 12=20x+12+4x | | 44=8x | | 49m^2-(16/9)=0 | | .75r=21 | | 7+21x=14x+14 | | -1+-5=x | | 2(3x+4)-(4x-1)=3(x+2) | | -4+-1=x | | x=-7x+7 | | 3.1x+4(2x-3)=4.2(2.1x-6)+5 | | 4x-5=-3x+2 | | 1-3z=4 | | 18*-5=m | | -16t^2+60t+4=0 | | 28x-11+5=51 | | 28x-11+51=5 | | -13*4=x | | -1x-2=-2x+1x | | -3x(3x^2-7X)+2= | | 9x+27-6=19-6 | | (x+1)(2x-3)=0 | | 12a-3=7a+32 | | x-6=5x+10 | | x^2+17x+72.25=0 | | 5+8r-3=7r+50-5r | | x^2+17x+144.5=0 | | -8=-4-x | | -2x-11=x+10 | | x^2+17x+8.5=0 | | 7y-14=5y+20 | | x^2+17x+289=0 | | 12x-28=5x+38 |