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IlanGamerbr
@IlanGamerbr
January 2020
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A) X + Y = 22
2X - Y = 20
b) 2X - Y = 4
X + 2Y = -3
c) 7X - Y = -2
X + 5Y = -26
Alguem mim ajuda a resolver esses sistemas de Equação?
é urgente D:
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Iag2
A)x + y = 22.
2x - y = 20
+
--------------------
3x=42
x=42/3
x=14
14 + y = 22
y = 22 - 14
y= 8
o resto da pra vc fazer
1 votes
Thanks 1
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2x - y = 20
+
--------------------
3x=42
x=42/3
x=14
14 + y = 22
y = 22 - 14
y= 8
o resto da pra vc fazer