Question

[(38×a+120):25×54]-940=100
DAU COROANĂ ​

Answer 1

$[(38\cdot a+120):25\cdot54]=100+940$

$[(38\cdot a+120):25\cdot54]=1040$

$(38a+120):25=1040:54$

$(38a+120):25=19.25$

$(38a+120) = 19.25 \cdot 25$

$(38a+120) = 481.25$

$3a = 481.25 - 120$

$3a = 361.25$

$a = 361.25:3$

$a= 120.41$

$\texttt{sper ca te-am ajutat!}$