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

Adding Expressions

100

Simplify the following expression by adding the expression: 

(12x + 8) + (8x - 9) 

20x - 1

200

Simplify the expression by adding the expressions: 

(-15x + 8) + (12x + 11)

-3x + 19 

300

Simplify the expression by adding the expressions: 

(18x + 4y) + (7y + 8) 

18x + 11y + 8

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) - (8x - 7) 

-5x + 15

200

Simplify the expression by subtracting the expressions: (17x + 8) - (4x + 9) 

13x -1

300

Simplify the expression by subtracting the expressions: (3x - 7) - (10x + 8) 

-7x -15

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 - 16