Question

Solve the system of equations: y = 3(x-7) and y = x + 19 *​

Answer 1

(x, y) = (20, 39)

Explanation:

Substitute for y:

3(x-7) = x +19

3x -21 = x +19

2x = 40

x = 20

y = 20 +19 = 39

The solution is (x, y) = (20, 39).