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sladkih [1.3K]
3 years ago
5

3x + 8y = 85 7x -2y =33 (solve the following equations)

Mathematics
2 answers:
Alexxandr [17]3 years ago
8 0
3x+8y=85
7x-2y=33

4(7x-2y=33)
28x-8y=132
+3x+8y=85

31x=217
__ ___
31 31

X= 7

7(7)-2y=33
49-2y=33
-2y=-16
______
-2

Y=8

(7,8)
Stella [2.4K]3 years ago
5 0
What is it that you are looking for ?
x or y ?
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