Question 990474
.
{{{(1/2)abs(x+2)=10}}} . Multiply each side by 2.
{{{abs(x+2)=20}}} 
{{{x+2=20}}} {{{OR}}} {{{x+2=-20}}}
{{{x=18}}} {{{OR}}} {{{x=-22}}}
ANSWER x=18 or x=-22