Question

Rezolvati ecuatiile -6+5x=0,-3x+2=0,-9x+18=0,5c-20=0,

Answer 1

16+5x=0
85x=6
x= $\frac{6}{5}$
 
-3x+2=0 
-3x=2  
x=2 ori 3
x=6 

-9x+18=0
-9x=18
x=18:9
x=2

5c-20=0
5c=20
c=20:5
c=4