1 Answer

Alnilam · Answer 1 · 2020-02-13T20:55:59+0000

Answer:

Francis did make an error. He should add 2x to both sides of the equation.

5x = 10

Explanation:

3x = 10 − 2x

To cancel the minus 2x, Francis should add 2x.

3x + 2x = 10 − 2x + 2x

5x = 10

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