Question

si en la sustraccion a4b-3c5=888.hallar (a+b)*c

Answer 1

 a4b-3c5=888
100a+40+b-300+10c+5=888
100a+10c+b-255=888
acb=1143
a=11
c=4
b=3
remplazando 
(a+b)*c= (11+3)4
56