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5x+y=16

x-2y=1

2 answers

i dont knw
5x+y=16
x-2y=1

x = 1 + 2y
5 (2y + 1) + y = 16
10y + 5 + y = 16
11y = 11
y = 1

x - 2 = 1
x = 3