Question

I need help. I don't know what I'm doing.
1.) 2x + y = 3
2.) x - 2y = -1
If equation 1 is multiplied by 2 and then the equations are added, the result is

A.3x=2

B.3x=5

C.5x=5

Answer 1

Here download this app it very helpful for problems like this:
Photomath

Answer 2

https://photomath.net/en/

Answer 3

Well, I am here.
Could I help you?

Answer 4

Hi

Answer 5

yes

Answer 6

Thank you.

Answer 7

Where are you stuck?

Answer 8

from the start

Answer 9

Here the steps for the first problem
https://photomath.net/s/M08Vj
Second part
https://photomath.net/s/B7RV0

Answer 10

The do the rest on ur own
Hope it helps

Answer 11

\[\huge 2x + y = 3\] ...... 1
\[\huge x - 2y = -1\] ...... 2

multiply 1 by 2 and then add to 2, you get


\[\huge 4x + 2y = 6\]
\[\huge x - 2y = -1\]
----------------------
\[\huge5x=5\]

Got it?

Answer 12

yes, can you help with another one?

Answer 13

Of course.