Răspuns :
1. 3x-6=50-4x
7x=56
x=8
18=18
2. 10/100*270=
10/10*27=
270/10=
27=> 270+27=297
7x=56
x=8
18=18
2. 10/100*270=
10/10*27=
270/10=
27=> 270+27=297
1. 3x - 6 = 50 - 4x
3x + 4x = 50 + 6
7x = 56
x = 56 : 7
x = 8
2.
270 : 90 * 100 = 300 lei pret initial
3x + 4x = 50 + 6
7x = 56
x = 56 : 7
x = 8
2.
270 : 90 * 100 = 300 lei pret initial