PLEASE DON'T SKIPSolve.
(7z - 1) / 2 = 3z - 2Multiply each side by 2 : (7z - 1) = 2 (3z - 2) 7z - 1 = 6z - 4Subtract 6z from each side: z - 1 = -4Add 1 to each side: z = -3