Răspunsuri

2014-08-06T12:26:47+03:00
4x-2-3x+15=5x

x+13=5x

x-5x =-13

-4x =-13

4x=13

x=13/4
2 5 2
2014-08-06T12:27:09+03:00
2(2x-1)-3(x-5)=5x
4x-2-3x+15=5x
x+13=5x
5x-x=-13
4x=-13
x=-13/4
1 5 1