Question #6edb3

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Answer 1 · 2018-02-07T12:47:13

$d = 4$ $d = 4$

$41 = 12 d - 7$ $41 = 12d - 7$

Add $7$ $7$ to both sides..

$41 + 7 = 12 d - 7 + 7$ $41+7 = 12d - 7 + 7$

$48 = 12 d$ $48 = 12d$

Divide both sides by $12$ $12$

$\frac{48}{12} = \frac{12 d}{12}$ $48/12 = (12d)/12$

$48/12 = (cancel12d)/cancel12$

$48/12 = d$

$d = 4$