Answer:
#1 yes #2
Step-by-step explanation:
I added comments on why it is correct
Answer:
I think Substitution
Step-by-step explanation:
Because x is already solved for in the second equation.
Answer:
10 people buy slushies and the price of each is lb. They have already spent w on food. How much did they spend on slushies.
Step-by-step explanation: