Answer:
and 
Step-by-step explanation:
Given:
.......................... equation i
........................ equation ii
since y is equals to the two functions , we can equate the two values of y . That is , equate equation i and ii , we have

Add
to both sides , we have


subtract 3 from both sides , we have

divide both sides by 4 , then

substitute
into equation i to get the value of y , that is



Therefore :
and 
Answer:
n >_ 4
Step-by-step explanation:
move 9 to the other side
n >_ 13 - 9
n >_ 4
The value of 4 becomes 10 times greater in the second number than the first.
Answer:
She should add 10x to both sides
Step-by-step explanation:
The value of the tenths place is 8