Question 125691
sqrt(7x+2)-2=7x
sqrt(7x+2)=7x+2 can't be that a square root of a term equals the same term UNLESS the term is=1.
thus 7x+2=1
7x=1-2
7x=-1
x=-1/7 answer proof
sqrt(7*-1/7-2)-2=7*-1/7
sqrt(-1+2)-2)=-1
sqrt(1)-2=-1
sqrt(1)=2-1
1=1