Question

Which line shows the first error in the solution?



A.
line 2

B.
line 3

C.
line 4

D.
line 5
Link to the picture lines: http://static.k12.com/bank_packages/files/media/mathml_15f21e0174a701a13f3ce00b0ee91ce3e2264b8d_1.gif

Answer 1

the error was that between step 4 and 5
you're supposed to divide both sides by 3, not subtract
so the error shows up in step 5

Answer 2

Thanks! ^-^

Answer 3

you're welcome :)