Răspuns:
Explicație pas cu pas:
4. x√49 = √64-√25
x•7 = 8-5
7x = 3
x = 3/7 b)
5. 5x-14 = 16
5x = 16+14
5x = 30
x = 5 b)
6. 5/6 + x = 8/3
x = 8/3 - 5/6
x = (16-5)/6
x = 11/6 = 1 intreg 5/6 c)
7. x+3/x-2 = 1/2
2(x+3) = x-2
2x+6 = x-2
2x-x = -2-6
x = -8 d) -ModAlex16™
