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10-01-2018
Mathematics

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Use substitution to solve the system x+2y=1 and 2x+5y=3

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judypoon20p1hxt0 judypoon20p1hxt0

10-01-2018

x = 1 - 2y
2(1 - 2y) + 5y = 3
2 - 4y + 5y = 3
Y = 1

x = 1 - 2(1)
x= -1

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