9 (4x - 1) - (2x - 1) = 60 (방정식 풀기)

9 (4x - 1) - (2x - 1) = 60 (방정식 풀기)

9 (4x - 1) - (2x - 1) = 60
36x - 9 - 2x + 1 = 60
34x - 8 = 60
34x = 60 + 8
34x = 68
x = 2