Simplify Expressions

Level A

100

9n - 5n

4n

200

10x² + 25x²

35x²

300

40y^{3 -} 15y³

25y³

400

6c - 4c + 8c

10c

500

20b - 4b + 8b + 2b 

26b

Level B

100

9r + 6x + 5r - 2x

14r + 4x

200

12 + 12n + 3 - 3n

9n + 15

300

18 - 2x + 4x -9 + x

3x + 9

400

4 + 5y² + y + 3y²

y + 8y² + 4

500

4x² + 8x³ + 5x³ + 2x + x²

2x + 5x² + 13x³

Level C

100

3(m + 1) + 4m + 1

7m + 1

200

5a + 8 - 2(a + 4)

3a

300

3p + 5 - 8(p + 2) 

-5p - 11

400

2(6n + 4p + 7) + 8p

12n + 16p + 14

500

5(8 + 3y² + y) - 4y² + 7

5y + 11y² + 47