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

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

9. What missing expression makes the equation balance? 5x + 8 + ? = 7x + 2 ​-example-1
User Giusti
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2 Answers

5 votes

Answer:

-4

Explanation:

User Guilherme Sehn
by
8.6k points
5 votes

Answer:


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

User Budd
by
8.3k points
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