👤

rezolvati ecuatia : 2x+ 3 +7=0

Răspuns :

2x+3+7=0
2x+3=0-7
2x+3=-7
2x=-7-3
2x=-10
x=-10:2
x=-5
2x+3+7=0
2x+10=0
2x=-10
x=-10:2
x=-5