Raquel and her brother Marcus are huge sports fans. Combined they own 15 sports jerseys. Raquel owns double the amount of Marcus's jerseys plus an additional three. Use x to represent Marcus's amount of jerseys and y to represent Raquel's amount of jerseys.

-- Marcus

-- Raquel

Step-by-step explanation:

Given

-- Both

-- Raquel

Required

Determine x and y

Substitute 2x + 3 for y in

Collect Like Terms

Divide both sides by 3

Substitute 4 for x in

-22

times both sides by 2, times () by 8, add alile terms, move terms, add alike and caculate divide both sides by 3

step-by-step explanation: