combining like terms

1

100

12b - 14b

-2b

200

-бу - 13у

-19y

300

11v + 19v

30v

400

14x - 3y + бy - 4x + 2

10x + 3y + 2

500

-2x + 3y - 4x + 2y + 6

 -6x + 5y + 6

2

100

-z - 20z

-21z

200

- 15b + 16b

1b or b

300

-w + 23w

22w

400

12m + 4n + 9m + 13

21m+ 4n + 13

500

-14x - 3y + 6x + 9

-8x-3y + 9

3

100

19a + 9a

28a

200

9a + 5a

14a

300

26c +18c

44c

400

9m - 3n + 2m + 4

11m- 3n+ 4

500

9х - 2y +3х-2y + 5x-3x

14x - 4y

4

100

3x + 28x

31x

200

-15x - 4x

-19x

300

13z - 21z

-8z

400

4c + 3a + 12b - 6a + 9

-3c + 12b + 4c + 9

500

10(3 -p) - 2p+7

37 - 12p Or -12p+37

5

100

2m - 17m

-15m

200

-20r + 8r

-12r

300

-24m -25m

-49m

400

9a + 2b - 4b - 17 + 3

9a - 26 - 14

500

- 2(-84 - 4) + 5a - 9

5a + 167