Question

решите уравнение 4x + 5 / 13 = 8/9

Answer 1

4х=8/9-5/13

4х=(8*12-5*9)/(9*13)

4х=(104-45)/117

4х=59/117

х=59/468

Answer 2

4х + 5/13 = 8/9
4х = 8/9 - 5/13
4х = 59/117
х = 59/117 : 4
х = 59/468