Question
$$-20j+8 = -2j+8-18j$$
Answer
The equation has an infinite number of solutions.
Explanation
$$ \begin{aligned} -20j+8 &= -2j+8-18j&& \text{simplify right side} \\[1 em]-20j+8 &= -20j+8&& \text{move the $ \color{blue}{ -20j } $ to the left side and $ \color{blue}{ 8 }$ to the right} \\[1 em]-20j+20j &= 8-8&& \text{simplify left and right hand side} \\[1 em]-20j+20j &= 0&& \\[1 em]0 &= 0&& \\[1 em] \end{aligned} $$
Since the statement $ \color{blue}{ 0 = 0 } $ is TRUE for any value of $ x $, we conclude that the equation has infinitely many solutions.
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