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1 April, 15:31

375 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.

Multiply equation B by 5 and equation A by 4

and add the results together.

+1
Answers (1)
  1. 1 April, 17:23
    0
    B is the one I would go with, multiplying everything by 3 in the equation 3 would eliminate y.
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