Answer:
He will earn 42$
Step-by-step explanation:
Purple -3 is the answer
We start by opening the bracket
That would be;
x-x-3
= 0-3 = -3
So selecting the correct option, we can see that our answer is purple
first one : x=−2y−5z−17
2nd one: x= 3 /2 y−z−8
3rd one: x= −1 /3 y+ 1 /3 z+1
3 (10-a) = 4 i think
