IsabelP315343 IsabelP315343

25-10-2022
Mathematics

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What property is used to solve 9x + 5 = 21 and 9x + 5 -5 = 21 - 5

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TyvonL736227 TyvonL736227

25-10-2022

Problem

What property is used to solve 9x + 5 = 21 and 9x + 5 -5 = 21 - 5

Solution

9x +5 =21

If we subtract 5 in both sides we got:

9x +5-5 =21-5

Subtraction property of equality

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