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ALEX656
Answered

Bonjour pouvez-vous m'aider à Résoudre les équations.
4x = 30
x+8 = 25
5x = -15
x + 6 = -10
X - 7 = 13
x - 3= -5
2x + 4 = 20
4x - 2 =10
8x + 3 = 12
-2x + 7 = 0
3x - 5 = -20
7x - 6 = 1
Merci à la personne qui me répondra ​

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ANASAG

Réponse:

4x = 30

4x/4 = 30/4

x = 30/4

x = 15/2

x +8 = 25

x = 25 -8

x = 17

5x = -15

5x/5 = -15/5

x = -3

x +6 = -10

x = -10 -6

x = -16

x -7 = 13

x = 13+7

x = 20

x -3 = -5

x = -5 +3

x = -2

2x +4 = 20

2x = 20 -4

2x = 16

2x/2 = 16/2

x = 8

4x -2 = 10

4x = 10 +2

4x = 12

4x/4 = 12/4

x = 3

8x +3 = 12

8x = 12 -3

8x = 9

8x/8 = 9/8

x = 9/8

-2x +7 = 0

-2x = -7

-2x/-2 = -7/-2

x = 7/2

3x -5 = -20

3x = -20 +5

3x = -15

3x/3 = -15/3

x = -5

7x -6 = 1

7x = 1 +6

7x = 7

7x/7 = 7/7

x = 1

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