Ria solves the equation 5 + 3r = 4 + 4r and gets r = r. She concludes that the equation has infinitely many solutions. What is the correct solution? What mistake did Ria make?

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Yuri Steinschreiber asked Jun 14, 2023

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Ria solves the equation 5 + 3r = 4 + 4r and gets r = r. She concludes that the equation has infinitely many solutions. What is the correct solution? What mistake did Ria make?

Mathematics
high-school

Yuri Steinschreiber asked Jun 14, 2023

by Yuri Steinschreiber

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Answer:

5 + 3r = 4 + 4r

5 - 4 = 4r - 3r

1 = r

The correct answer is r = 1.

Retype answered Jun 18, 2023

by Retype

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