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.
Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars