Sierra says that she can simplify the side of the inequality shown by combining the terms within the parentheses but that she​ can't do the same thing on the side. Is Sierra​ correct? Explain.

Yes, Sierra is correct

Step-by-step explanation:

Given

Required

Is she correct

The right parenthesis has 4 + 5.

This can be simplified as:

So, we have:

The left parenthesis has y + 7.

This cannot be simplified because y is a variable and 7 is a number.

Hence, Sierra is correct.

step-by-step explanation:

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