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matrenka [14]
3 years ago
10

Natalia solved the problem below incorrectly. Find Natalia's mistake, explain what she should have done and tell me what the cor

rect answer is.
x÷5 + 2 = 7

x÷5 + 2 + -2= 7 + 2

x÷5 = 9

x÷5x5 = 9x5

x = 45
Mathematics
1 answer:
JulijaS [17]3 years ago
7 0

Answer:

She made the mistake in step 2.

Step-by-step explanation:

Natalia's mistake is that she added 2 to the 7 when she should have subtracted it.

x÷5 + 2 = 7

x÷5 + 2 -2 = 7 -2

x÷5 = 5

Then multiply both sided by 5 to get rid of the division on the left

x = 25

This gives us the answer to x.

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