Question

решите уравнения
а) |х|=7;
б) |х|= -8

Answer 1

1} |х|=7
х=7
2} |х|=-8
х=-8.

Answer 2

$a) |x| = 7 \ x = 7 \ x = - 7 \ b) |x| = - 8 \ x = 8 \ x = - 8$