Question

Can anyone help me out ?

Answer 1

She made her first mistake in step 2

-2x+5 =-11

add 5 to each side

-2x-5+5 = -11+5

-2x = -6 (not -16)

divide by -2

-2x/-2 = -6/-2

x = 3

She added 5 to 11 and got 16 and made it negative instead of subtracting 5 from 11 and making it negative