Question

the sum of two number is 39. one of these number is the double of the other what are the two numbers​

Answer 1

Step-by-step explanation:

x+y=39

$x + y = 39$

$x = 2y$

$2y + y = 39$

$y = 13$

$x = 2 \times 13 = 36$

Answer 2

Answer:

x+y=39

x + y = 39x+y=39

x = 2yx=2y

2y + y = 392y+y=39

y = 13y=13

x = 2 \times 13 = 36x=2×13=36