Question

x-2y=13
9x-9y=36

Answer 1

Is there a specific question ?

Answer 2

yes it says. Find the solution of this system of equations

Answer 3

Oh ok :) do you know what the first step would be?

Answer 4

No, I never got how to do these :( I feel stupid lol

Answer 5

aww :( okie let me help are you familiar with the elimination method?

Answer 6

Yes I am.

Answer 7

ok so what would we multiply x-2y=13 by to cancel out the x ? HINT: Opposite numbers will cancel out.

Answer 8

\[\huge~\rm~?(x-2y=13)\]
whats the opposite of 9?

Answer 9

-9

Answer 10

Good! :)
\[\huge~\rm~-9(x-2y=13)\]
can you distribute the -9 to EVERYTHING in the parentheses please? :)

Answer 11

yes hang on

Answer 12

-9+18-117? lol is this right? I havent did these in a long time

Answer 13

No we need to multiply
-9*x=?
-9*-2=?
-9*13=?

Answer 14

-9
18
-117/ i did that

Answer 15

\[\huge~\rm~-9x+18y=-117\]
\[\huge~\rm~~~~~~~9x-9y=36 \]
do you see anything that can cancel?

Answer 16

there all positives?

Answer 17

oh ok