Question

Rezolvați ecuațiile:
a) -7x+28=49
b) 5x-9=6x-20
c) 2•(2x-3)-3(x-1)=5•1+2
d) 4x-1/6 - x-4/4 = x+5/3 +1/2
e) | x-1 | =7​

Answer 1

Răspuns:

a/ 7×28=49

b/ 5×-9=6×-20

c/ 2÷(2×-3)-3(x-1)=5÷1+2

d/ 4×-1(6 - x - 4/4 = ×+5/3+1/2

e/ l x-1 l =7