Répondre :
1) 3*1/(2*x+3)
2) 3*1/(2*x+3) = 5
3 = 5(2x+3)
3 = 10x + 15
10x = -12
x = -1,2
1) 3*1/(2*x+3)
2) 3*1/(2*x+3) = 5
3 = 5(2x+3)
3 = 10x + 15
10x = -12
x = -1,2