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Can someone explain to me Linear Equations being equivalent? Why isn't x = -2 and x^2 = 4 equivalent? I don't understand why it is not. Additionally x = 7 and x^2 = 49 is also not equivalent and I cannot
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Can someone explain to me Linear Equations being equivalent?

Why isn't x = -2 and x^2 = 4 equivalent? I don't understand why it is not. Additionally x = 7 and x^2 = 49 is also not equivalent and I cannot figure out why.

Thanks in advance!

User Cathal Coffey
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1 Answer

3 votes

Answer:

Explanation:

x² = 4 has two solutions, x=2 and x=-2.

User Richard Ambler
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3.0k points
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