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3 years ago

6

PLEASE HELP 2O POINTS

2 answers:

vovangra [49]3 years ago

4 0

C. The first is a solution, but the second is not.

5x - y/3 = 13 ; (2,-9)
substitute the letters:
5(2) - (-9/3) = 13
10 - (-3) = 13 : note that deducting a number with a negative sign turns both sign as positive.
10 + 3 = 13 ;
13 = 13

5x - y/3 = 13 ; (3,-6)
5(3) - (-6/3) = 13
15 - (-2) = 13
15 + 2 = 13
17 = 13 not equal. not a solution

hope i could help

kirza4 [7]3 years ago

3 0

I believe the answer is C. Hope it helps!

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