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Rayssaxpd9
@Rayssaxpd9
August 2019
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Se a soma de dois numeros é25 e a diferença do dobro do maior numero e o dobro do menor numero é10,quais são os números?
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ewerton197775p7gwlb
X + y = 25 * (2)
2x - 2y = 10
__________
2x + 2y = 50
2x - 2y = 10
4x = 60
X = 60/4
X = 15
Y = 25 - x
y = 25 - 15
y = 10
S = { 15 , 10 }
0 votes
Thanks 1
jean626
10 e 15 , 10 + 15 =25 , Dobro de 15=30 menos o dobro de 10 = 20 (30 -20 )= 10
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Thanks 1
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Lista de comentários
2x - 2y = 10
__________
2x + 2y = 50
2x - 2y = 10
4x = 60
X = 60/4
X = 15
Y = 25 - x
y = 25 - 15
y = 10
S = { 15 , 10 }