Question

A first number plus twice a second number is 10. Twice the first number plus the second totals 14. Find the numbers​

Answer 1

Below

Explanation:

x + 2y = 10 given

2x + y = 14 given multiply this equation by -2 to get :

-4x - 2y = - 28 add to top equation to get

-3x = -18 so x = 6

x + 2y = 10 so y = 2