Which expressions are equivalent to 3(x + 3y + 2x − y)?
3(3x + 2y) and 9x + 6y
3(3x + 4y) and 9x + 12y
3(x + 4y) and 3x + 12y
3(x + 2y) and 3x + 6y
3(x + 3y + 2x - y)
Combine like terms.
= 3(3x + 2y)
Distribute the 3.
= 9x + 6y
The two bolded expressions are equivalent to the original expression .
+307 
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