Help someone that’s good at math need your help 15 points !

Answer:
-4+4x=3
Step-by-step explanation:
So the first step is to derive an equation from the model.
There are 4 positive x and 4 negative 1 which equal 3 positive 1 which should look like:
4x-4=3
which could be rewritten as:
-4+4x=3