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ARIANNA54
Answered

2x + 1 = , 2x + 1/7 = , 10x + 3 = , 20 -3x = , 3x - 5 = , 8x + 16 = , 2x + 16 =je doit faire ca pour demain pouriez vous m aidez merci.​

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MAUDMARINE

Bonjour

2x + 1 = 0

2x = - 1

x = - 1/2

2x + 1/7 = 0

2x = - 1/7

14x/7 = - 1/7

14x = - 1

x = - 1/14

10x + 3 = 0

10x = - 3

x = - 3/10

20 -3x = 0

- 3x = - 20

x = 20/3

3x - 5 = 0

3x = 5

x = 5/3

8x + 16 = 0

8x = - 16

x = - 16/8

x = - 2

2x + 16 = 0

2x = - 16

2x = - 16/2

2x = - 8

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