dillon7160
dillon7160 dillon7160
  • 17-05-2017
  • Mathematics
contestada

rewrite the expression 7x+21=

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jbslovesmoney jbslovesmoney
  • 17-05-2017
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
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leeyah188
leeyah188 leeyah188
  • 17-05-2017
You must find the factors of 7 and 21. Which is 7.

7(x+3)

And that's one way to rewrite this expression :)
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