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Bri17
@Bri17
December 2019
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Resolva o seguinte sistema: x-y=1 x+y=9
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ÍC4R0ANDR4D3
X - y = 1 x + y = 9
x = 1+ y
Usando a substituição (De x por y):
1 + y + y = 9
y + y = 9 - 1
2y = 8
y = 8/2
y = 4
Espero ter ajudado =)
0 votes
Thanks 1
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x = 1+ y
Usando a substituição (De x por y):
1 + y + y = 9
y + y = 9 - 1
2y = 8
y = 8/2
y = 4
Espero ter ajudado =)