4х+5/13=8/9. Найдите Х

Question

4х+5/13=8/9. Найдите Х

Answer 1

4х + 5/13 = 8/9
4х = 8/9 - 5/13
4х = (8•13 - 5•9)/(9•13)
4х = (104-45)(/9•13)
4х = 59/117
х = 59/(117•4)
х = 59/468