Aflati X din egalitatea:
![Aflati X Din Egalitatea class=](https://ro-static.z-dn.net/files/d36/cab3fe9961c4f69c992effbeb5ac49b7.png)
0.7•2.3+5•[4.3:0.1-30•0.1]:(1.6•x-3)=26.61
1.61+5•(43-3):(1.6•x-3)=26.61
5•40:(1.6•x-3)=26.61-1.61
200:(1.6•x-3)=25
1.6•x-3=200:25
1.6•x-3=8
1.6•x=11
x=11:1.6
x=6.875