Numerical and Algebraic Equations

Translate the statement into an equation:
Five less than a number is 6

• n - 5 = 6

• 5 - n = 6

Translate the statement into an equation:
6 less than twice a number is 4

• 2n - 6 = 4

• 6 - 2n = 4

A cell phone company charges $3.00 to make a phone call plus $0.15 for each minute for each minute you talk. Which equation would you use to determine the total cost, c, of a phone call that is m number of minutes long?

• c = 3.00 - 0.15m

• c = 0.15 + 3.00m

• 3.00 = c + 0.15

• c = 3.00 + 0.15m

Harris Publications is having some books printed. The printer charges $800 plus $5 per book. What equation could help me find how many books can be printed for $4,000?

• 800 + 5x = 4000

• 800x + 5 = 4000

• 4000 + 5x= 800

• 800 + 5 = 4000

• 4000 = 800 + 5

Which answer shows an equation?

• 15 = a

• 3x +2

• 5a

• 15 + 7 - 4w

4 multiplied by the sum of 7 and y makes 16.

• 7 + 4y = 16

• 4(7) +y = 16

• 4y−7 = 16

• 4(7+y) = 16

Find an equivalent expression: 
4( x + 3) =

• 4x + 3

• 4x + 12

• 4 + 3x

• x + 12

Simplify this expression:
3(x + 4)

• 3x + 4

• 3x + 12

• 15x

• 3x + 4x

Six more than some number equals 52

• 6 + x = 52

• 6 + 52 = x

• 6x = 52

•  6x + 52 =

Translate this sentence into an equation.
106 is the product of Kerry's score and 4.
Use the variable z to represent Kerry's score.

• 106z = 4

• 106 = z + 4

• 106 = 4z

• 4 = 106z