Question

7.(x - 1) = 2.(3x + 1)

Answer 1

7.(x - 1) = 2.(3x + 1)                            1° passo - fazer a distributiva
7 . x - 7 . 1 = 2 . 3x + 2 . 1
7x - 7 = 6x + 2                                     2° passo - isolar o x
7x - 6x = 2 + 7
x = 9

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Demasiado, respostas corretas em demasia
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Answer 2

7.(x - 1) = 2.(3x + 1)

7x - 7 = 6x + 2

7x - 6x = 2+7

x = 9



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Gannicus
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