Iata poza cu toate exercitiile rezolvate
Răspuns:
1.b 12x=36
x=36/12
x=3
1.a ×=0.02+2.5
×=2.52
2.a 2x=17.36-13.25
2x=4.11
×=4.11/2
x=2.055
2.b 6x+7.2-3.6=7.8
6x=-7.2+3.6+7.8
6x=4.2
x=4.2/6
x=0
