SOLUTION: state the number to replace ? a + 3a= 1a = 3a = (1 + ?) a Distributive property Thank you

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Question 131551: state the number to replace ? a + 3a= 1a = 3a = (1 + ?) a
Distributive property
Thank you
Answer by solver91311(12150) About Me  (Show Source):
You can put this solution on YOUR website!
a + 3a= 1a = 3a = (1 + ?) a

This doesn't make any sense as you have written it. I suspect you weren't very careful with your typing and you really meant:

a+%2B+3a=+red%281a+%2B+3a%29+=+%281+%2B+x%29+a Makes more sense. (I replaced your question mark with an x so that the formula would render properly)

The question mark (or x) needs to be replaced with a 3.