x:23+45=8011:67
x:23+45=8011/67
x:23=8011/67-45
x:23=4996/67
x=4996/67*23
x=114908/67
(x : 23 + 45) x 67 = 8011=> x : 23 + 45 = 8011 : 67 = 119\(\frac{38}{67}\)=> x : 23 = 119 \(\frac{38}{67}\)- 45 = 74\(\frac{38}{67}\)
=> x = 74\(\frac{38}{67}\).23 = 1715\(\frac{3}{67}\)