Combine like Terms

Distribute & Collect

100

2(a + 3b - 1) + 5

2a + 6b + 3

200

3(2a - b + 4) - 2(a + b)

4a - 5b + 12

300

4(3b - 2a + 1) + 2(4a - b - 2)

10b 

400

3(a + 2b - 5) - 4(2b - a + 1)

7a - 2b - 19

500

5(a + b - 3) - 2(3a - b + 4) + a

7b - 23

Parentheses in Disguise

100

2[a + (b - 3)] + 4

2a + 2b - 2

200

3[a - (2b + 1)] + 5b - 2

3a - b - 5

300

2[3a - (b + 4) + a] - b

8a - 3b - 8

400

4[a + b - (2a - b + 1)] + 6

-4a + 8b + 2

500

3[a + (b - 2a + 3) - (2b - 1)] - 4(a - b)

-7a + b + 12

Negative Zones

100

-(a + 3b - 2) + 5a

4a - 3b + 2

200

-3(2a - b + 1) + 2(b + a - 4)

-4a + 5b - 11

300

-(4a - 3b + 2) - 2(a + b - 1)

-6a + b

400

-2[3a + b - (2a - 4)] + 3a

a - 2b + 8

500

-3[a - (b - 2a + 5)] + 2(2b - a)

-11a + 7b + 15

Stacked Brackets

100

2[(a + b) - 3] + 1

2a + 2b - 5

200

3[(2a - b) + (a - 4)] - 2b

9a - 5b - 12

300

2[3a - (2b - a + 1)] + b

8a - 3b - 2

400

4[(a + b - 2) - (3a - b + 1)] + 2

-8a + 8b - 10

500

3[(2a + b - 1) - (a - 2b + 3)] - 4(a - b)

-a + 13b - 12

Boss Level

100

2a - (3a - b + 1) + 4

-a + b + 3

200

4(2a - b + 3) - [3a - (2b + 4)] + b

5a - b + 16

300

2(a + b - 3) - [4a - (2b - a + 2)] + 5

-3a + 4b + 1

400

3[2a + b - (a - 2b + 1)] - 2(a - b + 4)

a + 11b - 11

500

3(4a − 2 + b) − [5a − (2b − a + 3)] + 7 − 2(a + b − 1)

4a + 3b + 6