Question

[(x*28*2)*3+5]*12=1644

Answer 1

[(x·28·2)·3+5]·12=1644/:12

(x·28·2)·3+5=137/-5

(x·28·2)·3=132/:3

x·28·2=44/:2

x·28=22/:28

x=22/28 (se simplifica cu 2)

x= 11/14