Question

rezolva ecuatile : a) (3*1/8-x)-1*1/10=0 b)x-2/3-5/6=1/2

Answer 1

a) 3/8-x=1/10
8=2^3 și 10=2*5, N.C=2^3*5=40
-x=3/8-1/10
-x=15/40-4/40
-x=11/40
x=-11/40
b) x-4/6-5/6=3/6
6x-4-5=3
6x-9=3
6x=3+9
6x=12
x=12/6
x=2

Answer 2

a) (3 * 1/8 - x) - 1 * 1.10 = 0
    (3/8 - x) - 1/10 = 0
    (30/80 - 80x/80 - 8/80 = 0
    - 80x = - 30 + 8
    x = 22/80
    x = 11/40
b) x - 2/3 - 5/6 = 1/2
    6x - 4 - 5 = 3
    6x = 9 + 3
    x = 12 : 6
    x = 2