Question

ex 12... urgent ... plss​

Answer 1

Răspuns:

Explicație pas cu pas:

0,2(6) = (26 - 2)/90 = 24/90 = 8/30 = 4/15

40/100 = 4/10 = 2/5

2x/3 + 4/15 = 2x/5

2x/5 - 2x/3 = 4/15

x/5 - x/3 = 2/15

3x/15 - 5x/15 = 2/15

-2x/15 = 2/15

-2x = 2

x = 2 : (-2) = -1