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alexira [117]
4 years ago
13

−8y+9x=−5 ​8y+7x=−75 ​​ x= y=

Mathematics
1 answer:
Semenov [28]4 years ago
5 0
-8y + 9x = -5
 8y + 7x = -75       +
--------------------------
   /    16x = -80

x = -80/16
x = -5

8y + 7x = -75
8y - 35 = -75
8y = -75 + 35
8y = -40
y = -40/8
y = -5

           
Answer : x = y = -5
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The absolute change is the difference between the earnings numbers:

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Read 2 more answers
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