Question

ex 66 va rog doar ce e jos de yot cele 2 randuri​

Answer 1

[(a*2-7)*6-2]:5=20
(a*2-7)*6-2=20*5
(a*2-7)*6-2=100
(a*2-7)*6=100+2
(a*2-7)*6=102
a*2-7=102:6
a*2-7=17
a*2=17+7
a*2=24
a=24:2
a=12