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3 years ago

Please give an explanation on how you got this answerI'm not sure if it's too late or what, but I can't get it.

Mathematics

1 answer:

Alona [7]3 years ago

8 0

Step 1: multiple the second equation by 2 so that you get -1/4 for the coefficient of y, the same as in equation 1
equation 2 multiply by 2: 1/4 x - 1/4 y=38 ..........name this equation 3
subtract equation 1 from equation 3: (1/4 x -1/2 x)=38-10
-1/4 x = 28
x=-112
plug in x=-112 in any of the equation, you will get y=-264
so the answer is A

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