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3x + 8y = 85 7x -2y =33 (solve the following equations)
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Jan 24, 2017
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3x + 8y = 85 7x -2y =33 (solve the following equations)
Mathematics
middle-school
Juan Ayala
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Juan Ayala
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what is it that you are looking for ?
x or y ?
Sudhanshu Sharma
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Jan 27, 2017
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Sudhanshu Sharma
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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)
Sharmeca
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Jan 31, 2017
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Sharmeca
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