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© Sylvain Fily

Transcript

Equation
ax + b = c

COMMENCER

Proposition

1

Proposition

2

Si la réponse est bonne, le quiz passe

directement à la question suivante !

Répondre au hasard ne

présente aucun intérêt...

2x + 4 = 6

x = 2

x = 1

a pour solution...

2x + 4 = 6

x = 1

a pour solution...

2x + 4 = 6

2x = 6 - 4

2x = 2

x = 2 : 2

x = 1

Solution

-2x + 5 = 7

x = -1

x = 2

a pour solution...

-2x + 5 = 7

x = -1

a pour solution...

-2x + 5 = 7

-2x = 7 - 5

-2x = 2

x = 2 : (-2)

x = -1

Solution

4x + 2 = -6

x = 3

x = -2

a pour solution...

4x + 2 = -6

x = -2

a pour solution...

4x + 2 = -6

4x = -6 - 2

4x = -8

x = -8 : 4

x = -2

Solution

-2x - 6 = -16

x = 4

x = 5

a pour solution...

-2x - 6 = -16

x = 5

a pour solution...

-2x - 6 = -16

-2x = -16 + 6

-2x = -10

x = -10 : (-2)

x = 5

Solution

12 = 2x + 4

x = 2

x = 4

a pour solution...

12 = 2x + 4

x = 4

a pour solution...

12 = 2x + 4

ou

2x + 4 = 12

2x = 12 - 4

2x = 8

x = 8/2

x = 4

Solution

20 = -5x + 5

x = -3

x = 5

a pour solution...

20 = -5x + 5

x = -3

a pour solution...

20 = -5x + 5

ou

-5x + 5 = 20

-5x = 20 - 5

-5x = 15

x = 15 : (-5)

x = -3

Solution

-8 = -5x + 2

x = 2

x = 4

a pour solution...

-8 = -5x + 2

x = 2

a pour solution...

-8 = -5x + 2

ou

-5x + 2 = -8

-5x = -8 - 2

-5x = -10

x = -10 : (-5)

x = 2

Solution

-25 = 5x - 5

x = 6

x = -4

a pour solution...

-25 = 5x - 5

x = -4

a pour solution...

-25 = 5x - 5

ou

5x - 5 = -25

5x = -25 + 5

5x = -20

x = -20 : 5

x = -4

Solution

10x + 2 = 2

x = 0

x = 1

a pour solution...

10x + 2 = 2

x = 0

a pour solution...

10x + 2 = 2

10x = 2 - 2

10x = 0

x = 0

Solution

4x - 2 = -4

x = -0,5

x = -2

a pour solution...

4x - 2 = -4

x = -0,5

a pour solution...

4x - 2 = -4

4x = -4 + 2

4x = -2

x = -2 : 4

x = -0,5

Solution

...pour d'autres

quiz !

à bientôt...