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

7x - 9y = 2
3x - 6y = -4

Multiply the first equation by 2 and the second equation by -3.
Multiply the first equation by -3 and the second equation by -2.
Multiply the first equation by 7 and the second equation by 3.
Multiply the first equation by -2 and the second equation by 4.

@ShailKumar

Question

What is a possible first step to eliminate a variable in the following system?

7x - 9y = 2
3x - 6y = -4
 	
	Multiply the first equation by 2 and the second equation by -3.
	Multiply the first equation by -3 and the second equation by -2.
	Multiply the first equation by 7 and the second equation by 3.
	Multiply the first equation by -2 and the second equation by 4.

@ShailKumar

anonymous · Answer

What do you think ?

superhelp101 · Answer

the first one.

superhelp101 · Answer

no wait the first one eliminates x, right?

anonymous · Answer

Check again with the first option

superhelp101 · Answer

sorry about that never mind what i said

superhelp101 · Answer

I think it is the first option because 14x-18y=4   and -9x+18y=12  and 18 cancels

superhelp101 · Answer

would you agree with me?

superhelp101 · Answer

umm.is this reasonable. What I said?

anonymous · Answer

Yes. You've done it correct. Good job!

superhelp101 · Answer

Thank u for helping me very much! I thank you! :)

anonymous · Answer

You are welcome. Happy learning :)

superhelp101 · Answer

:)