Question

1.)|х|=7;
2.)|х+2|=3;

Answer 1

$|x|=7,\\x_{1} =7, x_{2} =-7;\\|x+2|=3,\\1)x+2=3,2)x+2=-3,\\1)x=3-2,2)x=-3-2,\\1)x=1,2)x=-5;\\x_{1} =1,x_{2} =-5.$