Answer:
x = 22
Step-by-step explanation:
The x Is a number that is greater than the 15.
so you add the 7 and the 15 which gives you 22
22-7 equals 15
Hope this helps
ANSWER

EXPLANATION
Use the Pythagoras Theorem to obtain,

This implies that,


Take the positive square root of both sides to get,


Answer:
sorry but you're gonna need to add more info to this question to get an answer
Answer:
x= 3.2
Step-by-step explanation:
The student wrote the wrong operation. "The sum of 5y and 3" translates to 5y+3. And here means addition.