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Marilia234
@Marilia234
January 2020
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Qual o valor de x e y
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vinicius1472
X = a+5
y= 2a-20
x+y+(a+5)+(2a-20) = 360
(a+5)+(2a-20)+(a+5)+(2a-20) = 360
6a-30 = 360
6a=330
a=55
*substituindo nas equações acima:
x = a+5
x = 55+5
x=60
y= 2a-20
y=2*55-20
y=90
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y= 2a-20
x+y+(a+5)+(2a-20) = 360
(a+5)+(2a-20)+(a+5)+(2a-20) = 360
6a-30 = 360
6a=330
a=55
*substituindo nas equações acima:
x = a+5
x = 55+5
x=60
y= 2a-20
y=2*55-20
y=90