Răspunsuri

2014-10-07T15:20:19+03:00
(2x - 1) = 77-32
(2x - 1) = 45
2x - 1 =45
2x = 45+1
2x = 46
x = 46 :2
x = 23
2014-10-07T15:20:51+03:00
(2x-1)+32=77
2x-1=77-32
2x-1=45
2x=35=1
2x=46
x=46:2
x=23
1 5 1