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Ahava
@Ahava
January 2020
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13 + 4 ( 2 x - 1 ) = 5 ( x + 2 )
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Harleyzinha
13+4(2x-1)=5(x+2)
13+8x-4=5x+10
9+8x=5x+10
3x=1
x=1/3
1 votes
Thanks 0
EduardoManchein
Bem, essa questão é bem simples, você precisa apenas multiplicar os números de entro do parenteses pelos da frente dele, assim:
13 + 4(2x - 1) = 5(x + 2)
13 + 8x - 4 = 5x + 10
Passamos números para um lado, letras para o outro
8x - 5x = - 13 + 4 + 10
3x = -9 + 10
x = +1 / 3
X =
2 votes
Thanks 1
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Lista de comentários
13+8x-4=5x+10
9+8x=5x+10
3x=1
x=1/3
13 + 4(2x - 1) = 5(x + 2)
13 + 8x - 4 = 5x + 10
Passamos números para um lado, letras para o outro
8x - 5x = - 13 + 4 + 10
3x = -9 + 10
x = +1 / 3
X =