Question

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Answer 1

Respuesta:

1. x= 2

2. x = 18

3. x = 10

4. x = 3

5. x = 6

6. x = 8

7. x = 2

8. x = 21

9. x = 9

10. x = 30

11. x = 40

Explicación paso a paso:

1. x + 5 = 7

x = 7 - 5

x = 2

2. x - 8 = 10

x = 10 + 8

x = 18

3. 2x - 6 = 14

2x = 14 + 6

2x = 20

x = 10

4. 5x + 7 = 22

5x = 22 - 7

5x = 15

x = 3

5. 4x - 6 = 18

4x = 24

x = 6

6. 3x + 5 = 29

3x = 24

x = 8

7. 2x + 3 = 7x - 7

3 + 7 = 7x - 2x

10 = 5x

x = 2

8. x/3 = 7

x = 21

9. 5x/3 = 15

5x = 45

x = 9

10. x+2/4 = 8

x + 2 = 32

x = 30

11. x-7/3 = 11

x - 7 = 33

x = 40