Question

Rezolvati in R ecuatia:
5x - 1 = 3 (5x - 2)
va rog

Answer 1

Răspuns:

$x=\frac{1}{2}$,x=0.5

Explicație pas cu pas:

5x-1=3(5x-2), x∈R

5x-1=15x-6|+1

5x=15x-5|-15x

-10x=-5|:-10

$\frac{-10x}{-10} =\frac{-5}{-10}$

$x=\frac{1}{2}$

x=0.5 , 0.5 = nr real.

Succes! :)