Answer: 2
Step-by-step explanation:

Answer:
x=2
Step-by-step explanation:
combine like terms to get 15x=30. divide by 15 on both sides to get x=2
Answer:
He should have moved to the right.
Step-by-step explanation:
Ken moved 7 to the right which is correct because he needs to get 7º higher, but when he moved 2º to the left that would be a temperature decrease which is is incorrect.
You could say that you spent (purchased) 85% of the money that you had.
You spent a total of $85.
If you create the fraction 85/100, that is the same as saying you spent 85% of the money.
M is the slope.
B is the y-intercept
The constant of proportionality is the ratio between two directly proportional quantities.