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)
(4/5)*z = 16 // - 16
(4/5)*z-16 = 0
4/5*z-16 = 0 // + 16
4/5*z = 16 // : 4/5
z = 16/4/5
z = 20
z = 20
| 2/5+1/2d=3/5 | | X(2)-49=0 | | x/-12.2=0.13 | | -5p-48=4+8p | | -8s=136 | | 7x-11y-6y+4x+5= | | x/12.2=0.13 | | x/12.2=13 | | 9x+7-8x=14 | | -13x+29y=-5 | | 2.4s=-0.96 | | 13-9=y | | 2(f+3)=8f-15 | | -0.06v=-0.12 | | -x-13=2x+5 | | 13-5=y | | -4s=15 | | 3+4.5x=21 | | 7.5d=112.5 | | -13+x=1/2(4x-2) | | (x+3)(3x^2-20x-7)=0 | | 62.3-x=7.4 | | 4-13.200000013/3.3 | | 1t=12 | | 1/2+q=5 | | 62.3-x=7.1 | | -y/6=-2 | | 8t+15=23 | | 8.2=-19.1+x | | 7/10w-18=5w1/5 | | 13+-7x=59-21x | | 4-q/3.3 |