$$\frac{5(x+11)}{3}=\frac{3(1+x)}{2}$$
$x=-101$
$$2\times 5\left(x+11\right)=3\times 3\left(1+x\right)$$
$$10\left(x+11\right)=3\times 3\left(1+x\right)$$
$$10x+110=3\times 3\left(1+x\right)$$
$$10x+110=9\left(1+x\right)$$
$$10x+110=9+9x$$
$$10x+110-9x=9$$
$$x+110=9$$
$$x=9-110$$
$$x=-101$$
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