warm up 9/18

 $5x+2\left(x+7\right)=14x-7$  

Six less than a number k

• k - 6
• 6 + k
• 6/k
• 6 - k

Ten more than three times a number

• 3 x 10 x m

• 3m + 10

• 10 + 3 + m

• 10m + 3

Write an expression to match the words:

the quotient of twenty and a number

• 20 x n

• 20 + n

• 20 - n

• 20 ÷ n

Write the expression.

The cost of 3 CDs and a $10 DVD

• 3 + c + 10 + d

• 3c + 10

• 3c - 10 - d

• 3 + c - 10

Which is the variable? 6k - 8

• 6

• k

• 8

Which of the following is a term?

• 4 + 3s

• e = 6

• 5x

• r + 5 - 2r

Five times Mike's age, increased by nine

• 5(x+9)
• 9(5+x)
• 9x+5
• 5x+9

Translate this phrase into an algebraic expression.
8 less than the product of 4 and a number
Use the variable m to represent the unknown number.

• 8 - 4m
• 8m - 4
• 8m + 4
• 4m - 8

Simplify
-6(7n - 6) + 4n

• -36 + 38n
• -38n + 36
• 36n - 38
• -36n + 38