Can someone help me understand PEMDAS combined with Distributive property? My teacher keeps saying Im making the same mistake: Combining what cant be combined. Help?

Question

anonymous · Answer

Do you know what pemdas means?

anonymous · Answer

Parenthases, exponents, multiplication, division, addition, subtraction. AKA Please Excuse My Dear Aunt Mary

hero · Answer

Show An example of your mistake

anonymous · Answer

ok. 

2g-6-8g=9-g+5
my answer:  
2g-6-8g=9-g+5
 10g - -6=9g+5
-10         -10
    g-6=1+5
  -6g = 6
    6      6
       =1 
I dont get what im doing wrong?

jackthegreatest · Answer

u did the g's wrong

jackthegreatest · Answer

2g-8g is not 10g

jackthegreatest · Answer

and 9-g is not 9g

jackthegreatest · Answer

2g-6-8g=9-g+5
   -6g-6 =-g+14
        -20=5g
         g=-4

jackthegreatest · Answer

@magikgirl18 
i hope this helps : )

anonymous · Answer

oh.....I added instead of subtracting, and screwed up my gs! Ok, thank you!

jackthegreatest · Answer

welcome! no worries! just remember ur mistakes so u dont mess up on tests :)

anonymous · Answer

ok!

jackthegreatest · Answer

: )