Răspuns :
Răspuns:
¹⁰⁾2x+²⁾1/5=7/10
20x+2=7
20x=7-2=>x=5/20=>x=1/4
Răspuns:
(2x + 1)/5 = 7/10
10(2x + 1) = 35
20x + 20 = 35
20x = 15
x = 15/20
x = 3/4
¹⁰⁾2x + ²⁾1/5 = 7/10
20x + 2 = 7
20x = 5
x = 5/20
x = 1/4
alege varianta care corespunde exercitiului tau