Răspuns :
Răspuns:
Explicație pas cu pas:
60-[(2xa-15):3-9]:6=52
[(2xa-15):3-9]:6 = 60 - 52 = 8
(2xa-15):3-9 = 6 x8 = 48
(2xa-15):3 = 48 + 9 = 57
2xa-15 = 57 x 3 = 171
2xa = 171 + 15 = 186
a = 186 : 2 = 93
Răspuns:
[tex]60-[(2*a-15):3-9]:6=52\\\\60*6 -(2*a-15):3+9 =52 * 6\\\\360 -(2*a-15):3 + 9 = 312 \\\\1080 -2a +15 + 27 = 936\\\\1122 -2a = 936 \\\\1122-936 = 2a\\\\186 = 2a\\\\\boxed{a = 93}[/tex]