Answer:
18 degrees
Step-by-step explanation:
Since the measure of PQR is 90 degrees, the two angles contained in it must add up to 90 degrees. Therefore:
19+2x+35=90
Combine like terms:
2x+54=90
Subtract 54 from both sides:
2x=36
Divide both sides by 2:
x=18
Hope this helps!
