Question 895472
Use abs(7x-2) to make it simpler for you and the tutor.
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{{{abs(7x-2)=x+4}}}
Positive solution:
{{{7x-2=x+4}}}
{{{6x=6}}}
{{{x=1}}}
Negative solution:
{{{-(7x-2)=x+4}}}
{{{7x-2=-x-4}}}
{{{8x=-2}}}
{{{x=-1/4}}}