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Use algebra tiles to model the expression, and then combine like terms. Check all that apply.

3 + 2 + x + x
Combine the x tiles and the integer tiles.
Combine all the tiles.
The equivalent expression is 5 + 2x.
The equivalent expression is 7x.
Use substitution to verify the expressions are equivalent.

Respuesta :

rjdellner

Answer:

1 and 3

Step-by-step explanation:

option 4 isn’t correct because you can’t combine 5 and 2x. You could if the 5 had an x too

the last one isn’t correct because you aren’t substituting anything

the second isn’t correct because you aren’t combining them all together. You are only combining the ones that are like-terms

Answer:

The equivalent expressions is 5+2x

Combine the x tiles and the integer tiles.

Step-by-step explanation:

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