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9 is equal to or is greater then -2m + 2 - 3

Guest Sep 14, 2017

Best Answer 

 #1
avatar+94204 
+2

9 is equal to or is greater then -2m + 2 - 3

 

\(9\ge -2m + 2 - 3\\ 9\ge -2m -1\\ 10\ge -2m \\ 10\ge -2m \\ -2m\le10 \qquad \text{I turned the sign around because I swapped sides}\\ m\ge-5 \qquad \text{I turned the sign around because I multilplied both sides by a negative number}\\\)

Melody  Sep 14, 2017
 #1
avatar+94204 
+2
Best Answer

9 is equal to or is greater then -2m + 2 - 3

 

\(9\ge -2m + 2 - 3\\ 9\ge -2m -1\\ 10\ge -2m \\ 10\ge -2m \\ -2m\le10 \qquad \text{I turned the sign around because I swapped sides}\\ m\ge-5 \qquad \text{I turned the sign around because I multilplied both sides by a negative number}\\\)

Melody  Sep 14, 2017

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