Răspuns :
1) 2X-3=X+4
2X-X= 3+4
2X-X=7
X=7
2) 5-4X=2X-4
4X-2X=5-4
4X-2X=1
X=1
3) (X+5)=2X -7
2X+X= 5+7
2X-X=12
X=12
Sper ca te-am ajutat !!!!!!
2X-X= 3+4
2X-X=7
X=7
2) 5-4X=2X-4
4X-2X=5-4
4X-2X=1
X=1
3) (X+5)=2X -7
2X+X= 5+7
2X-X=12
X=12
Sper ca te-am ajutat !!!!!!
2x-3=x+4 2x-x=4+3 x=7
5-4x=2x-4 -4x-2x=-4-5 -6x=-9 x=9/6 x=3/2
3(x+5)=2x-7 3x+15-2x=-7 x=-7-15 x=-22
5-4x=2x-4 -4x-2x=-4-5 -6x=-9 x=9/6 x=3/2
3(x+5)=2x-7 3x+15-2x=-7 x=-7-15 x=-22