1 Answer

Pmdaly · Answer 1 · 2021-06-22T12:11:44+0000

Answer:

Explanation:

If you substitute x = -4 in the equation, you should get the y value as 3

y = 5x + 21

= 5* -4 + 21

= -20 + 21

y = -1 ≠ 3

So, (-4, 3) is not a solution

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