College Algebra

Equation Word Problems Day One

Do Now

• Solve the following problems for “x”

Homework

• Any struggles/questions?

Today?

• Word Problems!

Example One:

• The sum of a number and seventy-two is forty three. What is the number?

Example Two:

• Four times a number minus five is fifteen. What’s the number?

Example Three:

• A number divided by two is equal to the same number plus twelve. What is the number?

Helpful Hints

• Subtraction:

• Addition:

• Multiplication:

• Division:

Note:

• There is a difference between the following two statements

• Four times a number plus eight

• A number plus eight all times four

Note*

• Five less than a number is ….

• A) 5 – x

• B) x – 5

You Try!

• A) Five less than four times a number is two more than one-half the same number. What is the number?

• B) The sum of a number and twenty-three all multiplied by two is equal to the difference of the same number and eight. What is the number?

Practice Problems

• Try some on your own!

• Don’t hesitate to ask your group members for help/check your answers with them!

Exit Ticket

• Three times a number minus nine is the same as the number minus eight times two. What is the number?

• Four less than a number plus five is 67. What is the number?