Question

Which statement correctly explains how Andre could find the 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 add.
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

Answer:

it's B

Multiply the first equation by -7 and the second equation by 8, and then add.

trust me

Answer 2

Answer: choice; b) Multiply the first equation by -7 and the second equation by 8, and then add.