Answer:
Step-by-step explanation:
Given
Equations are
and 
take 

Put the value of y in another equation

Put the value of x in y

Hence,
Answer:
same
Step-by-step explanation:
Answer:
subtract 22 on both sides
Step-by-step explanation:
hope this helps :)
Answer:
Step-by-step explanation:
x=30
m=abe=180
Answer:
5
Step-by-step explanation:
f(-4)= -2(-4)-3
=8-3
=5