<span>Let x be the second number.
Let 2x+7 be the first number.
x+2x+7=25
3x+7=25
3x=25-7
3x=18
x=18/3
x=6
2x+7=19
The two numbers are 19 and 6.</span>
Answer: y=−1 or y=2
Step-by-step explanation:
Answer: 91
Step-by-step explanation:
For this case we propose a rule of three according to the data of the statement. To do this, we convert the mixed number into an improper fraction:
cups
4 ----------> 
10 ----------> x
Where the variable "x" represents the amount of chopped of vegetables needed for 10 people.

This is equivalent to
cups.
Answer:
cups
Answer:
42 - (-24) = 66
Step-by-step explanation:
I'm not sure if this is the form of answer, but if you're subtracting a negative from a negative, you're adding a positive, so this is another way to write the expression.