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Assessment
Directions: Solve for the unknown. Show your complete solution
in your
Notebook,
1) r + 6 = 8
5) 8a = 2a + 30
2) 12 = p + 5
6) 6n - 7 = 4n + 5
3) 3e = 27
7) 2(x+6) = 3x
4) x + = 18
8) 3x - 8 = 2x + 15
3
8​

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Answer:

1. r = 8 - 6 =

2. p = 12 - 5 = 7

3. e = 27/3 =9

4.

5. 8a - 2a = 2a - 2a + 30 6a = 30 a = 30/6 = 5

6. 6n - 4n = 5 + 7 2n = 12 n = 6

7. 2x + 2x6 =3x 12 = 3x - 2x = x

8. 3x - 8 = 2x + 15

x = 15 x 8

x = 23

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