Chapter 4 Algebraic Manipulations

Simplify the following
 $2x+5x$  

• 10x

• 3x

• 7x

•  $7x^2$  

Simplify the following
 $7a-10a$  

• 3a

• -3a

• -3

• 17a

Simplify the following
 $-5x+2x$  

• -3x

• 3x

• -7x

• 7x

Simplify the following
 $3a-7a$  

• -4

• 4a

• -10a

• -4a

Simplify the following
 $-6y+8y$  

• 2y

• -2y

• 14y

• -14y

Simplify the following
 $2x-5x+8x$  

• -3x

• -11x

• 5x

• 11x

Simplify the following
 $3a-7a+4a$  

• 0a

• 0

• a

• -8a

Simplify the following
 $3a+7b-4a$  

•  $7b-a$  

•  $a-7b$  

•  $7ab$  

•  $6ab$  

Simplify the following
 $3a+7b+4a+2b$  

•  $10ab+6ab$  

•  $7a+9b$  

•  $16ab$  

•  $7a-9b$  

Simplify the following
 $3a-7b-4a+2b$  

•  $-a-9b$  

•  $7a-5b$  

•  $7a-9b$  

•  $-a-5b$