Sagot :
Réponse :
7x-5=5x-3
2x = 2
x = 1
4x+15=x-3
3x = -18
x = -6
8x+5=3x-3
5x = -8
x = -8/5
x = 1.6
-3x+7=6x-9
-9x = -16
x = 16/9
Réponse :
7x-5=5x-3
2x = 2
x = 1
4x+15=x-3
3x = -18
x = -6
8x+5=3x-3
5x = -8
x = -8/5
x = 1.6
-3x+7=6x-9
-9x = -16
x = 16/9