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

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

x = 1 - 2(1)
x= -1
User Aung
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