What is the solution to this system of equations

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?

Write the equation in logarithmic form 8^x=64

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle