B) x+y-2=0 e 3x-y+4=0
x + y = 2
3x - y = -4
4x = -2
x = -2/4 = -1/2
y = 2 - x = 2 + 1/2 = 5/2
pronto
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Verified answer
x + y = 2
3x - y = -4
4x = -2
x = -2/4 = -1/2
y = 2 - x = 2 + 1/2 = 5/2
pronto