Combining Like Terms

Addition Only

100

4x+8+2x

6x+8

200

5+5x+6x+4

11x+9

300

10x+5+3+4x

14x+8

400

10x+9x+5x+8

24x+8

500

15x²+6x+7+8+20x+5

15x²+26x+20

Subtraction Only

100

9-3x-5

-3x+4

200

15x-4x-8-2

11x-10

300

15-3x-2x-4

-5x+11

400

31x-6x-3x-2-5

22x-7

500

5x²-19x-x-27-13-8y

5x²-20x-8y-40

Both + and -

100

8x+3x-2

11x-2

200

20x-3x+19-5

17x+14

300

6x-3x+7-2

3x+5

400

12x+23x-5+11

35x+6

500

8x²+18-9x+3x+5-2x²

6x²-6x+23