scrieti ecuatia ax+b=0 pentru:
VAA ROOG IMI TREBUIE REPEDE

Răspuns:
a) 2x+3=0
x=3÷2
x=1.5
b)3x+(-1)
x= 3÷(-1)
x=-3
c)-1x+1
×=-1+1=0 adevărat
e) 2,3x+1,3=0
x=2,3÷1,3
x=1.76
f)
[tex] \frac{2}{3 } x + ( - \frac{1}{2} ) = 0 \\ x = \frac{2}{3} \div ( - \frac{1}{2} ) = - 1.3[/tex]