Answer:
x = 75
Step-by-step explanation:
[tex](x + 15) \degree = 90 \degree \\ (corresponding \: \angle s) \\ \\ x + 15 = 90 \\ \\ x = 90 - 15 \\ \\ x = 75[/tex]
x=75
Both angles are right angles. Right angles are 90 degrees.
step 1: x+15=90
step 2: x+15=90
-15 -15
step 3: x=75
