Question 358589
It's an absolute value function and has two solutions: positive and negative.
Solve for both solutions.
{{{abs(2x+1)=2.8}}}
{{{2x+1=2.8}}} and {{{-(2x+1)=2.8}}}
{{{2x=1.8}}} and {{{2x+1=-2.8}}}
{{{x=0.9}}} and {{{2x=-3.8}}}
{{{highlight(x=0.9)}}} and {{{highlight(x=-1.9)}}}