Jordanmoss12345 Jordanmoss12345

21-10-2020
Mathematics

contestada

Describe and correct the error in finding the solution.
-4.2x=21
-4.2x/4.2=21/4.2 x=5

Respuesta :

capsasha2 capsasha2

21-10-2020

Answer:

The error is that the person divided both sides by positive 4.2 rather than negative 4.2. Here's how to correct it:

-4.2x ÷ -4.2 = x, 21 ÷ -4.2 = -5
So, x = -5.

I hope this helps!

Answer Link

rogersz9630 rogersz9630

09-11-2020

Answer:

He used the commutative property incorrectly. a

Step-by-step explanation:

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