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13x + 19y = 90 and 19x + 13y = 70 then x+y=?

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13x + 19y = 90 and 19x + 13y = 70 then x+y=?

asked Jun 5, 2024 170k views

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13x + 19y = 90 and 19x + 13y = 70 then x+y=?

Mathematics
high-school

by SmitM

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1 Answer

6 votes

Answer:

13x+19y=90 and 19x+13y=70 then x+y=5

Rola answered Jun 10, 2024

by Rola

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