Question

Please help thank you

Answer 1

Explanation:

Y = 3x + 2

Putting value of y in equation 2

x + 12 = 3x + 2

12 - 2 = 3x - x

10 = 2x

10/2 = x

5 = x

Putting value of x in equation 1

Y = x + 12

Y = 5 + 12

Y = 17

Option D is the correct answer