A system of equations is shown below.

Equation A: 5x +9y = 12

Equation B: 4x – 3y = 8

Which method eliminates one of the variables?

1) Multiply equation A by and add the result

to equation B.

2) Multiply equation B by 3 and add the result to

equation A.

3) Multiply equation A by 2 and equation B by - 6

and add the results together.

4) Multiply equation B by 5 and equation A by 4

and add the results together.

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