Question

the sum of two number is 12.one number is A what is the other number​

Answer 1

x + Y = 12

from question = > Y = 3x

x + 3x = 12

4x = 12

x = 12/4

x = 3

therefore Y = 3 (3)

Y = 9

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Answer 2

Step-by-step explanation:

x+y=12

according to the question =>y=3x

x+3=12

4x=12x=12/9

so,y=3 (3)y=9

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