lowe32
lowe32
15-03-2018
Mathematics
contestada
solve the system x+3y=2 x+y=2
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musiclover10045
musiclover10045
15-03-2018
x +3y = 2
x+y = 2 (rewrite as x=2-y)
2-y +3y = 2
2 +2y = 2
2y = 0
y = 0
x +0 = 2
x = 2
x = 2, y=0
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