Question

3x + y = 15 and y = 2x
The solution, given in (x,y) form is

Answer 1

Answer: (3, 6)

Explanation:

3x + y = 15

y = 2x

Using substitution:

3x + 2x = 15

5x = 15

x = 15/5

x = 3

y = 2x

y = 2 * 3

y = 6

x = 3

y = 6

= (3, 6)