Question

If (2³x − ¹ + 10) ÷ 7 = 6, then value of x?
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Answer 1

Answer:

$({2}^{3} {x}^{ - 1} + 10) \div 7 = 6 \\ ( \frac{8}{x} + 10) \times \frac{1}{7} = 6 \\( \frac{8 + 10x}{x} ) \frac{1}{7} = 6 \\ \frac{8 + 10x}{7x} = 6 \\ 8 + 10x = 6 \times 7x \\ 8 + 10x = 42x \\ 8 = 42x - 10x \\ 8 = 32x \\ \frac{8}{32} = x \\ \frac{1}{4} = x$