Question

answer attempt 1 out of 2
$x = $
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Explanation:

Step1: Recall angle - sum property

The sum of interior angles of a triangle is 180°. So, we have the equation $62+(2x - 4)+78=180$.

Step2: Simplify the left - hand side

First, combine like terms: $(62 + 78-4)+2x=180$. Then, $136+2x=180$.

Step3: Isolate the variable term

Subtract 136 from both sides of the equation: $2x=180 - 136$. So, $2x=44$.

Step4: Solve for x

Divide both sides by 2: $x=\frac{44}{2}$.

Answer:

$x = 22$