Question

Please Help!

Which statement correctly explains how Andre should find a solution to the following system of linear equations using elimination?
8s-9t=15
7s-2t=12

Multiply the first equation by –7 and the second equation by 8, and then subtract.
Multiply the first equation by 7 and the second equation by 8, and then subtract.
Multiply the first equation by 2 and the second equation by 9, and then add.
Multiply the first equation by –2 and the second equation by 9, and then subtract.

Answer 1

That would be B:)
@welshfella allowed to give these answers here right?X'D
It's MCQ!

Answer 2

the idea of elimination is to multiply each equation by a number so that either the terms in s or t have the same value so oe variable can be eliminated by subtraction.

MCQ? - I'm not sure

Answer 3

yeah...isn't it an MCQ?

Answer 4

thank you :)

Answer 5

I dont know what he means by MCQ

Answer 6

I don't either

Answer 7

@macaylam Do you understand the method of solution?

Answer 8

oh lol it's Multiple Choce Questions...
meaning where we have to choose one of the options...u know Objective type questions......

Answer 9

Oh I see. I'd have to check the COC. nvmd