Solve the following system using elimination: 2x + 4y = 8 8x + 16y = 32

Mathematics · Middle School · Wed Jan 13 2021

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Given :

2x + 4y = 8                ….1

 8x + 16y = 32          ….2

Multiplying equation 1 by 4 and Subtracting it from equation 2, we get 

8x + 16 y - (8x + 16y) = 32 - 32

8x + 16y - 8x - 16y = 0

0 = 0

Thus, given equations has infinitely many solutions.