Question

DETERMINE o valor de X

Answer 1

Resposta:

$a) \frac{x + 5}{3} = \frac{x - 1}{2} \\ 3(x - 1) = 2( x + 5) \\ 3x - 3 = 2x + 10 \\ 3x - 2x = 10 + 3 \\ x = 13$

$b) \frac{x + 2}{4} = \frac{x + 1}{3} \\ 4(x + 1) = 3(x + 2) \\ 4x + 4 = 3x + 6 \\ 4x - 3x = 6 - 4 \\ x = 2$

$c) \frac{2x + 2}{3} = \frac{x - 1}{2} \\ 2(2x + 2) = 3(x - 1) \\ 4x + 4 = 3x - 3 \\ 4x - 3x = - 3 - 4 \\ x = - 7$

$d) \frac{8x + 2}{3} = \frac{2x - 1}{2} \\ 2(8x + 2) = 3(2x - 1) \\ 16x + 4 = 6x - 3 \\ 16x - 6x = - 3 - 4 \\ 10x = - 7 \\ x = \frac{ - 7}{10}$

espero que isso ajude vc

Answer 2

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