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blackmankan
Answered

What is the solution set of the following system of equations?


5x - 3y - 10 = 0

x + y - 7 = 0


A.{(31/8, 25/8)}

B.{(25/8, 31/8)}

C.{(45/2, 31/2)}

D.{(31/2, 45/2)}

Verified Answer :

apologiabiology

add 10 to first equation and 7 to 2nd

5x-3y=10
x+y=7

multiply 2nd equation by 3 and add to first

5x-3y=10
3x+3y=21 +
8x+0y=31

8x=31
divide by 8
x=31/8

(x,y)
we can see that there is 1 answer with (31/8, somethng)

answer is A

sraft

the answer is would be the first letter of the albefet. A.

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