Question

$x { + 5x = 35}^{2}$
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Answer 1

$\: \: \: \: \: \: x + 5x = 35 {}^{2}$

$\: \: \: \: \: \: 6x = 35 {}^{2}$

$\: \: \: \: \: \: 6x = 1225$

$\: \: \: \: \: \: \: x = \frac{1225}{6}$