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*z)/10-5 = 2 // - 2
(4*z)/10-5-2 = 0
2/5*z-7 = 0 // + 7
2/5*z = 7 // : 2/5
z = 7/2/5
z = 35/2
z = 35/2
| -3xyz/-27x^2y^2z^2 | | 3x-144=0 | | 2x-12=2y+8 | | 180=48+x+x | | -3t^2+15t+13=0 | | 3x+10x-5=8-12+15x | | 3x+5x(2x-1)=8-3x(4-5x) | | 80=28+2w | | 80=28+x | | 1+2x=4x-7 | | x-12/x-4=3/5 | | y^2dx+(xy+x^2)=0 | | 2x+3x^2-4=12 | | 13x^2+26x+4=0 | | 1/2h×13 | | 7p+6=38 | | 135=0.1x+0.9x | | 135=0.1x | | 7x-3=10+1 | | x*(x+1)*(X+2)*(x+3)=0 | | 7x+6-8-0=6x-2 | | -2[3x+2(x-2)]+19=(3x+1)*2 | | 8x+30=3x+30 | | y=2x-5/10 | | 6x+28=15x-23 | | b^1/3b^1/3/-b^-1/3 | | 4pir^3/3 | | 7x+6-8=x | | y^2+6+9=0 | | 6x=15+15 | | 27/3.14 | | 27/3..14 |