👤

Rezolvati in ecuatia Q
5(2-4x)=3


Răspuns :

[tex]5(2-4x)=-3|:5 \\ ^{5)}2-^{5)}4x=- \frac{3}{5} \\ \frac{10}{5}- \frac{20x}{5}=- \frac{3}{5}|*5 \\ 10-20x=-3 \\ 20x=13 \\ \boxed{x= \frac{13}{20}} [/tex]
5(2-4x)=3
10-20x=3
-20x=3-10
-20x=-7          (-1)
20x=7
x=7/20