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Maya solved an equation incorrectly, as shown below: Step 1: 4x = 28 Step 2: x = 28 – 4 Step 3: x = 24 Which statement best explains why Step 2 is incorrect in Maya's solution? (1 point)
A: She did not add 4 to 28.
B: She did not multiply 28 by 4.
C:She did not divide 28 by 4.
D:She did not multiply 28 four times.

Respuesta :

Maya has to divide by 4, not subtract 4 C:She did not divide 28 by 4. 

Answer:

Option C - She did not divide 28 by 4.

Step-by-step explanation:

Given : Maya solved an equation incorrectly, as shown below:

Step 1: [tex]4x = 28[/tex]

Step 2: [tex]x = 28 - 4[/tex]

Step 3:[tex]x = 24[/tex]

To find : Which statement best explains why Step 2 is incorrect in Maya's solution?

Solution :

First we solve the expression again to find the mistake.

Step 1: [tex]4x = 28[/tex]

Step 2: [tex]x = \frac{28}{4}[/tex]

Step 3: [tex]x = 7[/tex]

Thus, by the above steps it is clear that she did not divide 28 by 4 in step 2.

Therefore, Option C is correct.

The required statement that best explains her mistake in steps 2 is She did not divide 28 by 4.

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