3 years ago

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

Mathematics

1 answer:

rusak2 [61]3 years ago

3 0

Answer: (3, 6)

Step-by-step 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)

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