Question

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Explanation:

Step1: Recall angle - sum property

The two non - overlapping angles $x^{\circ}$ and $68^{\circ}$ form a right - angle which is $90^{\circ}$. So, $x + 68=90$.

Step2: Solve for $x$

Subtract 68 from both sides of the equation: $x=90 - 68$.

Answer:

$x = 22$