X=the number we have to find.
This expression "2(x+9)" is when the sum of a number and nine is doubled.
If the result is seven less than the number, we will have: x-7
We can suggest the following equation:
2(x+9)=(x-7)
2x+18=x-7
2x-x=-7-18
x=-25
answer: the number would be: -25.
To reflect a function across the y-axis you have to change

So, the function becomes

Answer:
22/11=2 2x8=16
16 ounces = 1 pound
Step-by-step explanation:
a. 2 ounces per day
b. 8 days to eat 1 pound of cady
Answer: 325$
Explanation:
Assume: A is the cost of washer
And B is the cost of dryer
A+B = 744
And: A = B + 94$
We get:
B + 94$ + B = 744
2B + 94 = 744
2B = 650
B = 325
Answer:
Step-by-step explanation:
t=3