Answer:
A) 2x- 6y= 28
B) -x-y = 14
Multiply equation B) by 2
B) -2x -2y = 28 than add it to A)
A) 2x - 6y = 28
-8y = 56
y = -7
b) -x -y = 14
-x = 14 -7
x = -7
Explanation:
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