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3 votes
Rewrite the expression 7x+21=

2 Answers

4 votes
You must find the factors of 7 and 21. Which is 7.

7(x+3)

And that's one way to rewrite this expression :)
User Kimara
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8.3k points
1 vote
Minus the 21 from the other side of the equation making it 7x=-21 then u divide the 7 from the x to the -21 resulting in x=-3
User Woprandi
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