Step-by-step explanation:
complementary angles sum up to 90



Answer:
x = 7
Step-by-step explanation:
divide the five on both sides, and you get x = 7
best of luck!
Answer: x =-7 and y =10
Step-by-step explanation:
The given system of equations :

Add equation (1) and (2), we get

Put value of x in (2), we get

hence, the solution of the given system is x =-7 and y =10.