Mathematics, 13.11.2020 01:00 warnene17

Hello sorry, I said that I was in college and I'm not ... I'm in 7th grade, Ummm can you help me with some math, I have an exam ...The number of CDs in Walter’s collection can be represented by x. • The number of CDs in Brian’s collection is 3 times the number in Walter’s collection.
• The total number of CDs in both collections is 144.

What is x, the number of CDs in Walter’s collection?

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Hello sorry, I said that I was in college and I'm not ... I'm in 7th grade, Ummm can you help me wit...