Course 3- Units 4-6 and 4-7- Add/Subtract Expressions

Adding Expressions

100

Simplify the following expression by adding the expression: 

(4x + 8) + (3x - 9) 

7x - 1

200

Simplify the expression by adding the expressions: 

(-5x +7) + (3x + 3)

-2x + 10 

300

Simplify the expression by adding the expressions: 

(8x+ 4) + (3y + 2) 

8x + 3y + 6

400

Simplify the expression by adding the expressions: 

(-3x + 8y + 4) + (8x + 4y +7) 

5x +12y + 11

500

Simplify the expression by adding the expressions: 

(-7x + 6y + 8) + (4x + 7y + 2) 

-3x + 13y + 10

Subtracting Expressions

100

Simplify the expression by subtracting the expressions: (3x +8) - (2x -5) 

x +3

200

Simplify the expression by subtracting the expressions: (7x + 8) - (4x + 3) 

3x + 5

300

Simplify the expression by subtracting the expressions: -(3x - 7) - 10x 

-13x +7

400

Simplify the expression by subtracting the expressions: (4x + 8) - (4x + 10) 

-2

500

Simplify the expression by subtracting the expressions:  -(3x -8) - (8 + 7x)

4x