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raketka [301]
2 years ago
7

PLZ HELP!!!! WILL MARK BRAINLEST IF CORRECT

Mathematics
1 answer:
OverLord2011 [107]2 years ago
8 0

Answer: the answer is 54

Step-by-step explanation: The error in the expression was that it was multiplied by 1 so it can't be one unless it was also 1 and it's not it is 54.

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Answer:

  1. given
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  3. addition property of equality
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Step-by-step explanation:

In step 2, -3x was added to both sides in accordance with the addition property of equality.

The same property lets you add 18 to both sides, as in step 3.

The division property of equality lets you divide both sides of the equation by 5. (Or, the multiplication property lets you multiply by 1/5.)

Swapping sides of the equal sign is allowed by the symmetric property of equality.

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