3 years ago

Given equations A and B as 2/5x+y=12 and 5/2y-x=6, respectively, which expression will eliminate variable x?

2 answers:

6 0

The answer is C.) A+2/5B.
Adding equation A to 2/5B will result in canceling the x terms, i.e. 2/5x + 2/5(-x) = 0.

3 0

The answer is C.
If you multiply the second equation by 2/5 the variable x will cancel.

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