ABC under Translation

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.

Write the equation in logarithmic form m^x=n

How to write four times a number, minus 6,is equal to theee times the number+8 as an equqtion