mahraalshamsi535 mahraalshamsi535
  • 30-05-2021
  • Mathematics
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The equation - 21 = -15 is solved in several steps below. 2 For each step, choose the reason that best justifies it.

The equation 21 15 is solved in several steps below 2 For each step choose the reason that best justifies it class=

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 30-05-2021

Answer:

3.  Simplifying

4 multiplication property of equality.

5. simplifying

Step-by-step explanation:

y/2 -21+21 = -15+21  

To get to the next step  we add -21+21 on the left and -15+21 on the right

We are simplifying on each side

Then we multiply by 2 on each side for the next step

We use the multiplication property of equality.

Finally we simplify in the last step

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