$$1222 \div (3 \times (x-1)+5)=47$$
$x=8$
$$1222=47\left(3x+2\right)$$
$$1222=141x+94$$
$$141x+94=1222$$
$$141x=1222-94$$
$$141x=1128$$
$$x=\frac{1128}{141}$$
$$x=8$$
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