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LeleSilva12
@LeleSilva12
November 2019
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Resolva:
{ x + y = 0
{ -3x + y = 4
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Lordii
X + y = 0
-3x + y = 4
sendo assim, podemos utilizar então
-x = y + 0
-3x + y = 4 | (3y + 0) + y = 4
4y = 4
y = 1
------------
x+1 = 0
-1+1 = 0
-------------
-(-3.1) + 1 = 4
3 + 1 = 4
--------------
X = -1
Y = +1
1 votes
Thanks 1
DivinaSABEDORIA10
Metodo da adição
x+y=0(-1)= -x-y=0
-3x+y=4 -3x+y=4
-4x=4(-1)
4x=-4
x=-4/4
x=-1
x+y=0
-1+y=0
y=0+1
y=1 solução (-1,1)
1 votes
Thanks 1
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Lista de comentários
-3x + y = 4
sendo assim, podemos utilizar então
-x = y + 0
-3x + y = 4 | (3y + 0) + y = 4
4y = 4
y = 1
------------
x+1 = 0
-1+1 = 0
-------------
-(-3.1) + 1 = 4
3 + 1 = 4
--------------
X = -1
Y = +1
x+y=0(-1)= -x-y=0
-3x+y=4 -3x+y=4
-4x=4(-1)
4x=-4
x=-4/4
x=-1
x+y=0
-1+y=0
y=0+1
y=1 solução (-1,1)