Mathematics, 10.02.2021 06:30, Nenelovezero3446

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.

Answers: 2

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A system of equations is shown below. Equation A: 5x + 9y = 12
Equation B: 4x -
3y=8