3x+7=x-1

what are the steps to solve it?

A rectangle is 13 centimeters longer than it is wide. Its perimeter is 226 centimeters. What are the length and width?

Samir ran for 10 minutes, stopped and stretched for 5 minutes, walked for 20 minutes, and ran for another 15 minutes.

jellybeans cost $0.80 per pound. Howard buys 4.5 pound of jellybeans for himself and 1 pound for his friend. What is the total cost of the jellybeans Howard buys. Show work.

Ray created the list of factors for 48 below. 48: 1, 2, 3, 4, 6, 7, 8, 12, 16, 24, 48 Which number should be removed from his list to make the list accurate?

Variable a is 4 more than variable b. variable a is also 1 less than b. which of the following pairs of equations best models the relationship between a and b? 1. a = b 4 a = b - 1 2. a = 4b a = b 1 3. b = a 4 b = a - 1 4. b = 4a b = a 1

Together teammates pedro and ricky got 2685 base hits last season. Pedro had 277 more than ricky. How many hits did each player have?

Simplify the expression 4 (3x+2) - 2

A bag contains rubber bands with lengths that are normally distributed with a mean of 6cm of length, and a standard deviation of 1.5cm. What percentage of the rubber bands can be expected to be shorter than 3cm?

You get dressed in the morning without looking at the colours of the clothes you choose. Your shirts are white or blue, your pants are black, red, or yellow, and your shoes are brown or black.

Melissa had 7 pages of homework! She only completed 5 before her soccer practice. Choose the division problem that shows what fraction of pages she finished before practice.