X+15 = 3x - 7 => 22 = 2x => x=11
Easy
y=2x-7
sub 2x-7 for every y you se inother equation
x+2(2x-7)=1
x+4x-14=1
5x-14=1
add 14 both sides
5x=15
divide 5
x=3
sub back
y=2x-7
y=2(3)-7
y=6-7
y=-1
(3,-1) is solution
Answer:
D) 
Step-by-step explanation:
If two functions 
and 
are inverse of each other, then the following conditions must be true:
i. 
ii.
Therefore, out of the four choices available, only option D matches the condition for inverse function to exist.
Therefore,
Answer:
i would say B pls mark brainlest!
Answer:
1.80 dollars per kilogram of candy.
Step-by-step explanation:
How to get this is simple and you will use it later in life, you take the price of the candy you paid for, then you divide it by the amount in pounds, or kilograms, to get the price per pound.
2.25 / 1.25 = 1.80
Cheers!
