jcollins1215 jcollins1215

19-04-2021
Mathematics

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three times one number minus a second is 8 and the sum of the number is 12

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clarch19 clarch19

19-04-2021

Answer:

one number is 2

second number if 3 1/3

Step-by-step explanation:

a = one number

b = second number

3a - b = 8

3a + b = 12

add together:

6a = 20

a = 20/6 or 10/3

find 'b':

3(10/3) - b = 8

10 - b = 8

-b = -2

b = 2

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