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)
(2*z)/7-3 = 8 // - 8
(2*z)/7-8-3 = 0
2/7*z-11 = 0 // + 11
2/7*z = 11 // : 2/7
z = 11/2/7
z = 77/2
z = 77/2
| 4x+7=2(x-4) | | (2x^3/3)/6x | | 6x+30=5x+25 | | 2345678x+2y=400000000238 | | 4u(u-9)(u-5)=0 | | v-7.24=2.8 | | -3/7x=49 | | -9w^2-5w+1=0 | | x^3-31x+48=0 | | (2-y)(4y-5)=0 | | -2b-8-3b=-4+b | | 3/5=45/x | | (3y-11)-(y+10)-2y=4y | | -7/3x=49= | | 2(x+1)+5=25 | | (-2pqr)6= | | -a-(-3)=30 | | x/9-4=10 | | 38=8-2z | | 2(2x+2)-2=16 | | 2(y+7)-4y=34 | | -3+v=9 | | 0.09xX=84.62 | | 1h+4=38 | | 9a^2-121=0 | | 1.20x=7.20 | | 2(y+4)-4y=34 | | -9+m=18 | | (w-7)(w+4)=0 | | x/16=1/4 | | 200=-30+4t-30-3t | | 8w=6/7 |