$$ \begin{aligned} 65.6 &= 160j&& \text{move the $ \color{blue}{ 160j } $ to the left side} \\[1 em]65-160j &= 0&& \text{ move the constants to the right } \\[1 em]-160j &= -65&& \text{ divide both sides by $ -160 $ } \\[1 em]j &= \frac{-65}{-160}&& \\[1 em]j &= \frac{13}{32}&& \\[1 em] \end{aligned} $$
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