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)
(5/7)*z = -(-10/4) // + -10/4
(5/7)*z-10/4 = 0
5/7*z-5/2 = 0 // + 5/2
5/7*z = 5/2 // : 5/7
z = 5/2/5/7
z = 7/2
z = 7/2
| 5x-(15-4)=3 | | -y/7=1/9 | | 16=4/5z | | x^3-8x^2-20x+100=0 | | 75-x=20 | | 9*x+20=38 | | 6*x-25=-7 | | 35-x=15 | | 95-x=60 | | 5*x+25=55 | | 95-x=35 | | 14x-4=-25 | | 9*x-5=22 | | 5/7z | | -2x-14=4(x*4) | | 5(5x+3)=8 | | d-e(3d+8)=0 | | 20+3*x=26 | | x^4-3x^3-53x^2+75x+700=0 | | 4/3x^2y(6x-7y) | | f(x)=2x^4+5x^2-2x+4 | | -5n+2n+7-3=6 | | 3x^3-2x+20=0 | | x+6(y+3)-(3y-x)=0 | | 3*x+15=21 | | 7cx+10dy-4cy-14xd= | | 7(m-n)-4(-4m)=0 | | 17=10n-3 | | 5nx2=20 | | x+y-z(7)= | | 16x-4=236-8x | | 3+(x-1)=4-(3x+10) |