# 1. Evaluate x + ( -2 ) when x = 10 * 12 8 -8 2. 3a + 9a = ___ * 12a 6a 5a 3. 6mn - 5mn = __ * 11mn mn -mn 4. Evaluate 7x -2y when x = 2 and y= 1 * 10 11 12 5. 7

Math

## Question

1. Evaluate x + ( -2 ) when x = 10 *
12
8
-8
2. 3a + 9a = ___ *
12a
6a
5a
3. 6mn - 5mn = __ *
11mn
mn
-mn
4. Evaluate 7x -2y when x = 2 and y= 1 *
10
11
12
5. 7p + 8p - 10p = ___
25p
15p
5p
6. 6xyz - (- 2xyz) = ___ *
4xyz
-4xyz
8xyz
7. ( 8p - 4r) + ( 6p + 3r ) = _____ *
14p - r
14p + r
14p -7r
8. ( 12 a + 10b - 6 ) - ( 8a - 3b - 9 ) = ____ *
20a +7b + 15
4a +13b + 3
4a -13b - 3

• ### 1. User Answers joshua102820

1. Evaluate x + ( -2 ) when x = 10 *

12

8

-8

2. 3a + 9a = ___ *

12a

6a

5a

3. 6mn - 5mn = __ *

11mn

mn

-mn

4. Evaluate 7x -2y when x = 2 and y= 1 *

10

11

12

5. 7p + 8p - 10p = ___

25p

15p

5p

6. 6xyz - (- 2xyz) = ___ *

4xyz

-4xyz

8xyz

7. ( 8p - 4r) + ( 6p + 3r ) = _____ *

14p - r

14p + r

14p -7r

8. ( 12 a + 10b - 6 ) - ( 8a - 3b - 9 ) = ____ *

20a +7b + 15

4a +13b + 3

4a -13b - 3