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Activity 6:
Solve for the unknown variable.
1. – 12 + e ≥ 15
2. h – 38 ≤ 80
3. 11h > 121
4. 10a ≤ - 100
5.
4
> -10
6.
14
- 4 < -12
7.
75
≤ -100
8. 15x – 4 > 11x + 16
9. 5x + 7 < 3 (x + 1)
10. 4 (8 + 6y) > 2(9y – 12)

sana po matulungan nyo po ko dito
bigyan ko po kayo ng 50 points sana po ung matinong sagot


Sagot :

Answer:

1.9 2.19 111111111111111111

Question:

Solve for the unknown variable.

1. – 12 + e ≥ 15

2. h – 38 ≤ 80

3. 11h > 121

4. 10a ≤ - 100

5.

4

> -10

6.

14

- 4 < -12

7.

75

≤ -100

8. 15x – 4 > 11x + 16

9. 5x + 7 < 3 (x + 1)

10. 4 (8 + 6y) > 2(9y – 12)

Answer:

1. -12 + e ≥ 15

add 12 to both sides,

-12 + e ≥ 15

-12 + e +12 ≥ 15 +12

e ≥ 27

2. h - 38 ≤ 80

add 38 to both sides,

h - 38 +38 ≤ 80 +38

h ≤ 118

3. 11h > 121

divide both sides by 11,

11h/11 > 121/11

h > 11

4. 10a ≤ -100

10a ≤ -100

divide both sides by 10,

10a/10 ≤ -100/10

a ≤ -10

5. 4 > -10

where's the variable?

6. 14 - 4 < -12

where's the variable?

7. 75 ≤ -100

where's the variable?

8. 15x - 4 > 11x + 16

add 4 to both sides,

15x - 4 +4 > 11x + 16 +4

15x > 11x + 16 +4

15x > 11x + 20

subtract 11x to both sides,

15x -11x > 11x + 20 -11x

4x > 20

divide both sides by 4,

4x/4 > 20/4

x > 5

9. 5x + 7 < 3 (x + 1)

5x + 7 < 3x + 3

subtract 7 to both sides,

5x + 7 -7 < 3x + 3 -7

5x < 3x - 4

subtract 3x to both sides,

5x -3x < 3x - 4 -3x

2x < -4

divide both sides by 2,

2x/2 < -4/2

x < -2

10. 4 (8 + 6y) > 2(9y - 12)

32 + 24y > 18y - 24

subtract 32 to both sides,

32 + 24y -32 > 18y - 24 -32

24y > 18y - 56

subtract 18y to both sides,

24y -18y > 18y - 56 -18y

6y > -56

divide both sides by 6,

6y/6 > -56/6

y > -28/3

* as always, double check my answers for errors or carelessness.

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#No to plagiarism

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