Question

aflati termenul necunoscut x din relatia
(245:5+5xX):9+89=100

Answer 1

(245:5+5·x):9+89=100
(245:5+5·x):9=11
(49+5·x)=99
5·x=50
x=10

Answer 2

(49+5X):9+89=100
(49+5X):9=100-89
(49+5X):9=11
(49+5X)=11•9
(49+5X)=99
5X=99-49
5X=50
X=50:5
X=10



Sper ca te-am ajutat!