Combining Like Terms

Combining (Addition)

100

8a + a + 9

What is 9a + 9

200

5x + 35 + 3x + 2

What is 8x + 37

300

32 + 12t + 16t + 8

What is 28t + 40

400

r + 20n + 25r + 6n

What is 26r + 26n

500

6p + 32 + 16p + 2 + 4p

What is 26p + 34

Combining (Subtraction)

100

21b - 11b - 10 

What is 10b - 10

200

12c - 6c - (-30)

What is 6c + 30

300

5z - 55 - 26 - z

What is 4z - 81

400

-15j - 18k + 25j + 18k

What is 10j + 0 

         or 10j 

500

-7d - (-40) + 8d

What is d + 40

Combining Like Terms(Add & Subtract Mix)

100

-7w - 5 + 17w + 15

What is 10w + 10

200

19a - 6b - 17a - 3b + 9b - 2a

What is 0

300

-2f - 1f - (-6) + 5f

What is 2f + 6

400

53t - (-20r) + 17 - 10t

What is 43t + 20r +17

500

-5r + 3q - 8q - r

What is -6r -5q

EVALUATE

100

Evaluate 7x + 6 for x = 2

20

200

3x + 4y for x = 2 and y = 1

10

300

3x + 2y + 2xy  if   x = 0 and y = 2

4

400

10x - 3y + 3x - 4y  if  x = 1 and y = 2

-1

500

3ab + 2ab - 7ba  when a = 1 and b = -1

2

Review of PEMDAS and GEMS

100

What does the M represent in the word PEMDAS or GEMS?

Multiply

200

What does the S represent?

Subtract

300

What does the P represent?

Parenthesis  ( )

400

What does the E represent?

Exponents (such as x⁵)

500

What does the G represent?

Groups  (such as ( ) or [ ] or the numerator or denominator of a fraction)