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0
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avatar+383 

For A) i think i got (x≤-2 is taht right?) 

 

it but for B I don't understand it.....

 

 

https://snag.gy/4VQzGg.jpg

hoiuu  Sep 20, 2018
 #1
avatar+383 
+2

For B would it be x>9?

hoiuu  Sep 20, 2018
 #2
avatar+92674 
+2

a) 5x + 2(x - 2) ≤  -10

 

5x + 2x + 4 ≤ -10

 

7x + 4 ≤ -10    subtract 4 from both sides

 

7x ≤  -14     divide both sides by 7

 

x ≤ -2    correct!!!

 

 

cool cool cool

CPhill  Sep 20, 2018
 #3
avatar+92674 
+2

b) 24 + 24x  > 150 + 10x      subtract 10x, 24 from  both sides

 

14x >  126     divide both sides by 22

 

x > 9     ...correct  !!!

 

cool cool cool

CPhill  Sep 20, 2018

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