2/3x +1/2= -1/6
2/3x = -1/6 - 1/2
2/3x= -2/3 ÷ 2/3
x= -1
2/7x - 1/49= 1/14
2/7x= 1/14 + 1/49
2/7×= 9/98 ÷ 2/7
x= 9/28
1/2x+2=0,(2)
1/2x= 0,(2)-2
1/2x= 2/9 -2
1/2x=-16/9 ÷ 1/2
x= -32/9
1/2x -1/3=1/6x
-1/3= 1/6x-1/2x
-1/3= -1/3x
x= 1
Răspuns:
Explicație pas cu pas:
