Thread: Algebra help

x+2y=6, 2x+y=9


how would I solve that?

Originally Posted by Rakaa

x+2y=6, 2x+y=9


how would I solve that?

Then solve the system, you must!

Do you know at all where to begin?

Originally Posted by VonNemo19

Then solve the system, you must!

Do you know at all where to begin?

Hold on trying to format it correctly


Y= - 1/2 x - 3

Y= 2/1 x+3 (This is where im confused

Originally Posted by Rakaa

Hold on trying to format it correctly


Y= - 1/2 x - 3

Y= 2/1 x+3 (This is where im confused

okay thats the best I could format it

Originally Posted by Rakaa

Hold on trying to format it correctly


Y= - 1/2 x - 3

Y= 2/1 x+3 (This is where im confused

OK that's good, you're trying to soleve for a variable. But...




Now, you've gotta put this somewhere. Where do you think that we should put ?

Originally Posted by vonnemo19

ok that's good, you're trying to soleve for a variable. But...




now, you've gotta put this somewhere. Where do you think that we should put ?

- 2/9 ?

Originally Posted by Rakaa

- 2/9 ?

No, we must sub this back into the other equation and solve for x.

Like so...