Which of the following would NOT be the result of a substitution in the following system?
2x + y = 7
y - x = 1
Answers
A. 2(y + 1) + y = 7
B. 2x + x + 1 = 7
C. 7 - 2x - x = 1

Which of the following pairs of functions are inverses of each other? o a. f(x)=x72+8 and 96-9 = 7/x+2) =8 o b. f(x)= 6(x - 2)+3 and g(x) - *#2-3 o c. $4) = 5(2)-3 and 90- 4*: 73 o d. f(x) = 6)-12 and 910 – +12

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?