Question

Q.21 Solve : a) 1 3x - 5] = 1
b) 17-2x = 5​

Answer 1

Answer:

$a) \: 13x - 5 = 1 \\ \\ = > 13x = 1 + 5 \\ \\ = > 13x = 6 \\ \\ = > x = \frac{6}{13}$

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$b) \: 17 - 2x = 5 \\ \\ = > - 2x = 5 - 17 \\ \\ = > - 2x = - 12 \\ \\ = > 2x = 12 \\ \\ ( - \: and \: - \: cancelled) \\ \\ = > x = \frac{12}{2} \\ \\ = > x = 6$

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Answer 2

Answer:

a) 13×-5=-65

b)17-2x=5

-2x=-12

X=6...