Question

use the substitution method to solve the system of equations. Choose the correct ordered pair y=3x 2x+3y=55

Answer 1

(x,y) = (5,15)

Explanation:

y = 3x

2x + 3y = 55

2x + 3(3x) = 55

2x + 9x = 55

11x = 55

x = 5

y = 3(5)

y = 15