Question

27:[26 + (6 Xa - 21):9] + 1 = 2
Urgent​

Answer 1

27:[26+(6•a-21):9]= 1 ---->(2-1)

26+(6•a-21):9= 27-----> (27:1)

(6•a-21):9=1-----> (27-26)

6•a-21=9-----> (9•1)

6•a=30-------> (21+9)

a=30:6

a=5

Sper c-am ajutat!