Question

3(x+7)2=18 please solve these
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Answer 1

Step-by-step explanation:

$3(x + 7)2 = 18$

$3(x + 7) = \frac{18}{2}$

$3(x + 7) = 9$

$(x + 7) = \frac{9}{3}$

$(x + 7) = 3$

$x = 3 - 7$

$x = - 4$

$hence \: value \: of \: x = - 4$