Răspunsuri

2014-08-27T17:57:37+03:00
A)2x+23=91
2x=68
x=34
b)327-3x=15+48
3x=327-63
3x=264
x=88
c)15+(x+2)+21=47
x+2=47-36
x+2=11
x=9
d)2x+37=79-15
2x=28
x=14
e)32+2x-5)=63+15
2x-5=78-32
2x=50
x=25
Multumesc mult ”Pisicuta” . Imi poti spune te rog frumos cum ai facut la d ) ? :D de unde ti-a iesit 2x-28 :D