Question
Solve $: 3x + 2 = -2.2$

Answer

$3x + 2 = -2.2$
$\Rightarrow 3x = - 2.2 - 2$
$\Rightarrow 3x = - 4.2$
$\Rightarrow x=\frac{-42}{3 \times 10}$
$\Rightarrow x=-\frac{14}{10}$
$\Rightarrow x=-\frac{7}{5}$
$\Rightarrow x=-1 \frac{2}{5}$
$\Rightarrow x = - 1.4$

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