Răspunsuri

2014-06-10T16:43:18+03:00
3x+12 -10x-5 =4x +12 -12x -18

 -7x +7 = -8x -6

-7x+8x = -6 -7

x= -13
cat ti -a dat -7x +8x ?
mi-a dat x
cumai facut de ti-a dat 13?
2014-06-10T16:43:39+03:00
3(x+4)-5(2x+1)=4(x+3)-6(2x+3)
3x+12-10x+5=4x+12-12x-18
3x-10x-4x+12x=-12-5-12-18
x=-47