Question

What is a possible first step to eliminate the variable y in the following system?

4x + 6y = 1
5x - 3y = 8

Multiply the first equation by 5.
Multiply the first equation by -2.
Multiply the second equation by 2.
Multiply the second equation by -3.

Answer 1

can someone plz help me? @ShailKumar

Answer 2

@genius12 @jim_thompson5910 @King.Liang @Luigi0210

Answer 3

@wio @w3ath3rfr3ak @Dark_Riddles @Dsal @ShailKumar @sweetburger do you think you can help me?

Answer 4

do u think you can help me on this problem @ShailKumar

Answer 5

:/ plz

Answer 6

could it be c? wait.. idk

Answer 7

Ok

Answer 8

Multiply the second equation by 2.

Answer 9

You'll get 2*(5x - 3y = 8) ==> 10x-6y = 16
Now you have two equations:
4x + 6y = 1 and
10x-6y = 16
Add them
you get:
14 x = 17
See y is eliminated.

Answer 10

so it is C. Thank you so much!!! Can you help me with just one more? @ShailKumar

Answer 11

Post that separately and tag me.

Answer 12

sure thxx