Please help me with this Algebraic question.

Ily begins solving the equation 4(x – 1) – x = 3(x + 5) – 11. her work is shown below. 4(x – 1) – x = 3(x + 5) – 11 4x – 4 – x = 3x + 15 – 11 3x – 4 = 3x + 4 how can her partial solution be interpreted?

For the equations below which statement is true ?

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.