Question

solve the following equation
1).
$\frac{1}{3} x \times + 11 = 7$
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Answer 1

$\frac{1}{3} x + 11 = 7 \\ \frac{1}{3}x = 7 - 11 \\ \frac{1}{3x} = - 4 \\x = - 4 \times 3\\ x = 12$