Expressions and Equations Grudgeball Review

Vocabulary

1

Another word for the letters used in expressions and equations.

Variable

1

-3  and + 3,   multiply by 6  and divide by 6,   +12  and -12, are all examples of __________________

Words:  Variable, Constant, Coefficient, Term, Isolate, Inverse Operation, Distributive Property.

Inverse Operations

1

5(x+3)  = 5x + 15   is an example of __________.

Words:  Variable, Constant, Coefficient, Term, Isolate, Inverse Operation, Distributive Property.

Distributive Property

1

In the expression 5x + 13, the number 13 is a ___________.  This is a term without a variable.

Words:  Variable, Constant, Coefficient, Term, Isolate, Inverse Operation, Distributive Property.

Constant

1

When we get a variable by itself on one side of an equation 

Words:  Variable, Constant, Coefficient, Term, Isolate, Inverse Operation, Distributive Property.

Isolate

Combining Like Terms

1

Simplify:

10x + 7 + 4x + 15

14x + 22

1

Simplify:

3x - 9x

-6x

1

Simplify 10 + 2b + 8b - 6

10b + 4

1

Simplify 2b - 4b + 10 + 6

-2b +16

1

Simplify:

9 + 7x - 11 - 12x

-5x - 2

Distributive Property

1

Simplify:

3(x+2)

3x + 6

1

Simplify -2(4x - 9)

-8x + 18

1

Simplify

-4 (m + 9)

-4m - 36

1

Simplify 3(2z - 4)

6z - 12

1

Simplify:

-4(-5x + 7)

20x -28

One & Two Step Equations

1

x+5 = -9

-14

1

2x-5=11

x=8

1

x/3-4=11

x=5

1

2x + 1 = 5

x=2

1

8x = -24

x = -3

Multi-Step equations

1

10 + z = 3z

z = 5

1

x + 6 + x = 14

x = 4

1

2x + 5 = 3x + 3

x = 2

1

3x + 12 = 5x

x = 6

1

3x - 12 = -4x + 2

x=2