Question

Ce numar si-a ales George daca il aduna cu 7, inmulteste suma cu 9, adauga la produs 3 si de 3 ori scade 149, imparte la 100 diferenta si obtine 4

Answer 1

{[(x+7)*9]+3-(3*149)}/100=4

[(x+7)*9]+3-447=100*4

[(x+7)*9]+3-447=400

[(x+7)*9]+3=400+447

[(x+7)*9]+3=847

(x+7)*9=847-3

(x+7)*9=844

x+7=844/9

x+7=93,777777777778

x=93,777777777778-7

x=86,777777777778