Question

Rezolvați ecuația 2x+3=-7 in multimea{-1;+4;5;-7;}. REPEDEEE DAU COROANA!!! ​

Answer 1

2x= -7-3

2x= -10

x= -10/2

x= -5

Answer 2

$2x = - 7 - 3 = > 2x = - 10$

$x = - \frac { 10}{2} = - 5$