Question

I-mi face si mie cineva exercitiul:[(136-a):(37+6)]=16-8:2-9

Answer 1

[(136-a):(37+6)]=16-8:2-9
[(136-a):43]=16-4-9
(136-a):43=3
136-a=3x43
136-a=129
a=136-129
a=7

Answer 2

[(136-a):(37+6)]=16-8:2-9
16-8:2-9=3
[(136-a):(37+6)]=3
[(136-a):43)]=3
c:43=3
c=43×3
c=129
136-a=129
a=136-129
a=7
a este 7