Question

20=14-2(5a+2)
a=

Answer 1

Do you know how to do the distributive property?

Answer 2

no

Answer 3

http://math.about.com/od/algebra/a/distributive.htm
take a look at that link and see if you understand it

Answer 4

oh then yes i do know it i already tried that

Answer 5

i think its this @karatechopper plz check
20=14-2(5a+2)
20-14=-2(5a+2)
6=-2(5a+2)
6/-2=(5a+2)/-2
-2 cancels out

-3=5a+2
-3-2=5a
-5=5a
-5/5=5a/5
a=-1

Answer 6

ah ,it's correct

Answer 7

yay!

Answer 8

thx. :)

Answer 9

NP!!