Brianna’s teacher asks her which of these three expressions are equivalent to each other. Expression A: 9 x −<

Question

Brianna’s teacher asks her which of these three expressions are equivalent to each other.

Expression A:
9
x

3
x

4
Expression B:
12
x

4
Expression C:
5
x
+
x

4

Brianna says that all three expressions are equivalent because the value of each one is

4
when
x
=
0
.

Brianna’s thinking is incorrect.

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Madelyn 2 months 2021-10-15T01:36:24+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-10-15T01:37:40+00:00

    Answer:

    Expression A and C are correct because 9x – 3x = 6x and 5x + x = 6x, then -4

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45:7+7-4:2-5:5*4+35:2 =? ( )