kamal8294 kamal8294

19-11-2020
Geography

contestada

if three times the sum of two,numbers is 45 and five times their difference is 20 find the numbers

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prisha4princess prisha4princess

19-11-2020

Answer:

3x+y=45......equation 1

x-y=20......equation 2

Explanation:

There are now two equations, solve them using elimination or substitution method

I'm not 100% sure this is correct but this is the way I had learned.

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