Expressions and Inequalities

Simplify Expressions

100

3x + 4x

7x

200

5y+2-3y+4

2y+6

300

4a + 3b - 2a + 5b

2a + 8b

400

(6m - 2 + 4m + 7 - 5m

5m + 5

500

7x + 2y - 3x + 4 - 5y + 8

4x - 3y + 12

Distributive Property

100

3(2x + 4)

6x + 12

200

5(3y - 1)

15y - 5

300

2(4a + 3b) - 5

8a + 6b - 5

400

4(2x + 3) + 2(3x - 5)

20x - 10

500

2(x + 3) + 3(2x - 1)

8x + 3

One Step Equations

100

x + 5 = 12

x = 7

200

3y = 15

y = 5

300

z - 4 = 10

z = 14

400

2a = 20

 a = 10

500

-3x = 9

x = -3

Two-Step Equations

100

2x + 3 = 11

x = 4

200

3y - 5 = 10

y = 5

300

4a + 2 = 18

a = 4

400

5b - 10 = 0

b = 2

500

6c + 3 = 21

c = 3

Vocab

100

What is the letter in an expression called?

Variable

200

This type of math problem has no equal sign

Expression 

300

What is a the number that is next to the variable called?

Coefficient

400

What is the a number in an expression called when it is by itself

Constant

500

This type of problem has an equal sign 

Equation