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Four times the sum of a number and 9 is 16

User Cam
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1 Answer

4 votes

Answer:

Explanation:

four times the sum of a number and 9 is 16

4 *(x + 9) = 16

4x + 36 = 16

4x = 16 - 36

4x = -20

x = -5

---------------

4 * (-5 + 9) = 16

16 = 16

true

User Amal Kronz
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6.2k points