Mathematics, 15.07.2019 07:50 JunoJackson

The sum of a number and 3 times a second number is represented by a+3b= 39. the sum of half the of the first number and 1/3 of the second number is represented by 1/2a+1/3b=9. what is the first number a? what is the second number b?

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The sum of a number and 3 times a second number is represented by a+3b= 39. the sum of half the of t...

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