Question

Rezolvați in Q ecuația 2x-1intreg 2/3=-0,25

Answer 1

Explicație pas cu pas:

2x-5/3=25/100

2x-5/3=1/4 |•12

24×-20=3

24×=23

×=23/24

Answer 2

$\it 2x-1\dfrac{2}{3}=-0,25 \Rightarrow 2x-\dfrac{5}{3}=-\dfrac{1}{4}|_{\cdot12} \Rightarrow 24x-20=-3|_{+20} \Rightarrow 24x=17\Rightarrow \\ \\ \Rightarrow x=\dfrac{17}{24}$