The expression 3(x + 3y + 2x − y ) is equivalent to 3(3x + 2y) and 9x + 6y option (A) is correct.
It is defined as the combination of constants and variables with mathematical operators.
We have an expression:
= 3(x + 3y + 2x − y)
Adding like terms:
= 3(3x + 2y)
Using the distributive property:
= 9x + 6y
Thus, the expression 3(x + 3y + 2x − y ) is equivalent to 3(3x + 2y) and 9x + 6y option (A) is correct.
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