Question

Rezolvati in R ex 4x=1supra 5

Answer 1

4x = 1/5 ( / e supra )

calculam pe diagonala ( produsul mezilor egal cu produsul extremilor )

4x * 5 = 1

20x = 1

x = 1/20

Answer 2

$4x = \frac{1}{5} \\ x = 0.2 \div 4 \\ x = 0.05.$