Just multiply the two numbers together like this:
55 x (-11) = -605 and that is it.
\(\frac{x}{55}=-11\)
\(55\times\frac{x}{55}=-11\times55\)
\(\frac{55x}{55}=-11\times55\)
\(\frac{1x}{1}=-11\times55\)
\(\frac{x}{1}=-11\times55\)
\(x=-11\times55\)
\(x=-605\)
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