Question

Systems of equation substitution

2x+4y=24
x=4y

Answer 1

(x, y) = (8, 2)

Explanation:

substitute x = 4y into the other equation

2(4y) + 4y = 24

8y + 4y = 24

12y = 24 ( divide both sides by 12 )

y = 2

substitute y = 2 into x = 4y

x = 4 × 2 = 8

solution is (8, 2 )