Question

Solve.

|x| + 3 = 7

A.
{–10}

B.
{–10, –4}

C.
{4}

D.
{–4, 4}

Answer 1

I am stuck on C and D because I know that absolute value can't be negative, and I don't remember if I could do the -4 too. Thanks :\

Answer 2

And of course A and B make no sense.

Answer 3

i think d