Sagot :

barthyanastro007

Hi!!!

Résolvons dans R :

• 5x+3 = 3

5x = 3-3

5x = 0

x = 0

• 2x-1 = 7

2x = 7+1

2x = 8

x = 8/2

x = 4

• 2x+1 = 3

2x = 3-1

2x = 2

x = 2/2

x = 1

• 4x-4 = 8

4x = 8+4

4x = 12

x = 12/4

x = 3

MitchAlexandrine2314

5x+3=3

5X=3-3

5x/5=0/5

X=0

2x-1=7

2x=7+1

2x/2=8/2

X=4

2x+1=3

2x=3-1

2x/2=2/2

X=1

4x-4=8

4x=8+4

4x/4=12/4

X=3