CPM Homework Help : CCA Problem A-6

Suppose you put one of your $x$ -tiles and two unit tiles with another pile of three $x$ -tiles and five unit tiles. What is in this new pile? Write it as a sum.

Step 1:

Write down the number and types of tiles.

$x + 2 + 3x + 5$

Step 2:

Combine like terms.

Answer:

$4x + 7$

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