Question

solve each system by substitution 7x+2y=-19 -x+2y=21

Answer 1

what we are solving for ?

Answer 2

ya

Answer 3

what do you mean? it's the system and I need to solve it

Answer 4

I think is solve for X?

Answer 5

yes

Answer 6

okay =D!

Answer 7

here try this web site an let me know if this helps!
www.mathway.com
~Jess~

Answer 8

it's not free...I need a full steps,not only the answers

Answer 9

ya that only bad thing about that u have to sign up to it .

Answer 10

I signed up. And to see the steps they asked money...But thank you!

Answer 11

oh i am sorry i didn't know that !! never signed up to it i am sorry!!!

Answer 12

no problem. But thank you anyway