3 years ago

Which expression is equivalent to 21x+9-3x

2 answers:

4 0

You can simplify this expression by combining like terms. You can see that you can subtract 3x from 21x leaving us with (your answer): 18x + 9. You could also factor this to look like 9(2x + 1). Whichever one you prefer :))

lorasvet [3.4K]3 years ago

3 0

18x+9 is the correct answer

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