Question

9 - 8a = - 35} " alt=" - 5 \sqrt{49 - 8a = - 35} " align="absmiddle" class="latex-formula">
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Answer 1

$- 5 \sqrt{49 - 8a = - 35} \\ \\ 1. \: - 8a = 0 \\ \\ 2. \: \frac{ - 8a}{ - 8} = \frac{0}{ - 8} \\ a = 0$