Prealgebra

Simplify the following expression
9 + 5m - 4

• 5m-5
• 10m
• 5m+5
• 5m+13

Simplify the following expression:
-7x +5 (1 - 8x)

• -33x + 5
• 5 + 33x
• 47x + 5
• 5 - 47x

Solve the equation:
-5x = 25

• x = 20
• x = -20
• x = -5
• x = 5

x - 8 = -5 

• 13
• -13
• 3
• -3

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

how would you solve this equation: 9x=153?

• multiply by 9

• divide by 9

• add 153

• subtract 153

A SENTENCE WITH AN EQUAL SIGN

Example: 4x = 8

• expression

• equation

• term

• variable

This property says that
a(b + c) = ab + ac

• Distributive Property
• Commutative Property
• Associate Property
• Evaluate

Translate to an algebraic expression.

m plus the product of 6 and n

• m + 6n

• m - 6n

• m(6n)

• 6mn

Combine like terms
3x + 2x + 3y - 7y

• 5x + 10y
• 5x + 4y
• 5x - 4y
• 5x -10y