Koko and John are simplifying the expression 5x - 4 + x + 2

Koko 5x - 4 + x + 2 = 6x - 2

John 5x - 4 + x + 2 = 5x - 2

Who is correct and why?

How can the difference 13 - (-24) be rewritten as a sum with the correct solution? Explain? A: (-13) + (-24) = - 37 B: 13 + (-24) = - 11 C: (-13) + 24 = 11 D: 13 + 24 = 37

What is the solution to the equation? - 8x - 9x-21=-12-16 x=

Yuki has a ribbon that is 11 1/4 feet long. She divides it into pieces that are each 1 7/8 feet long. She uses three pieces to make a bow. How many bows can she make in all?

A student earns $10 per hour for tutoring and $7 per hour as a teacher's aide. To have enough free time for studies, he can work no more than 20 hours per week.

When Debbie baby sits she charges $5 to go to the house plus $8 for every hour she is there. The expression 5+8h gives the amount in dollars she charges. How much will she charge to babysit for 5 hours?

Characteristics of a unit rate

Which of the following best describes the expression 4 (y + 6) ? The product of a constant factor of four and a factor with the sum of two terms The sum of a constant factor of six and a factor with the product of two terms The product of two

What is black and white and has lots of problems

Find the surface area of a rectangle height is 9 in width is 7 in length is 16 in

A soup kitchen makes 15 gallons of soup each day a quarter of the soup is served and the rest is saved for the next day, what is the number of ounces left after each day