Combining Like Terms

 $a\ +3a$  Simplify.

•  $4a$  

•  $3a$  

•  $3a^2$  

• Cannot combine

 $6b\ +\ 2b\ +5b$  Simplify.

•  $13\ +\ 3b$  

•  $13b$  

•  $8b\ +\ 5b$  

•  $60b$  

 $8a\ +\ 10\$ Simplify.

•  $18a$  

•  $18$  

• Cannot combine

Simplify.  $5c\ -\ 3c$  

•  $2c$  

•  $8c$  

•  $3c$  

• Cannot combine

 $3y\ +\ 10\ +8y\ -9$  Simplify.

•  $11y\ +1$  

•  $11y\ +\ 19$  

•  $30y$  

• Cannot simplify.

 $a\ +\ 3b$  

• Cannot combine because they aren't like terms.

•  $4ab$  

•  $4b$  

•  $3b$  

Simplify:  $3x\ +\ 4\ +\ 10x$  

•  $13x\ +\ 4$  

•  $17x$  

• Cannot combine.

•  $17\ +\ 2x$  

 $\frac{1}{2}\left(10x\ +\ 6\right)$  

•  $5x\ +\ 3$  

•  $10.5x\ +\ 6.5$  

•  $8x$  

• Cannot simplify.

Simplify: $4a\ +\ 5b\ +\ 10a\ +\ 2b$  

•  $14a\ +\ 7b$  

•  $21ab$  

•  $14a\ +\ 5b\ +\ 2b$  

• Cannot simplify.

Simplify.  $5m+4n+2m–3n$  

•  $3m\ +\ n$  

•  $7m\ +\ 7n$  

•  $14mn$  

• Cannot simplify.