Solve a system of 2 equations / 2 unkowns using Wolfram Matematica

Job ID: 31640983

Budget: $10 – $30 USD

Hello,

The objective is to solve the system of 2 equations:

Equation 1 at input line 133 and equation 2 at input line 139 (cf attached files)

The two unknows to find are: Betta and P

A first attempt was made (at line 140 and 147) with no success.

The resolution is to be made using Matematica.