9. What missing expression makes the equation balance? 5x + 8 + ? = 7x + 2

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Pavel Vergeev asked Apr 27, 2022

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9. What missing expression makes the equation balance? 5x + 8 + ? = 7x + 2

Mathematics
high-school

Pavel Vergeev asked Apr 27, 2022

by Pavel Vergeev

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18 votes

Answer:

-4

Explanation:

Eike Behrends answered Apr 29, 2022

by Eike Behrends

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23 votes

Answer:

$5x + 8 + 2x - 6 \\ collecting \: like \: terms \: \\ 5x + 2x + 8 - 6 \\ 7x + 2$

Falyn answered May 2, 2022

by Falyn

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