Question

Determina valoarea lui a din.
(324:6+345:5)×2+1237=43×a+1354

Answer 1

$(54+69)*2+1237=43*a+1354$
$123*2+1237=43*a+1354$
$246+1237=43*a+1354$
$1483=43*a+1354$
$43*a=1483-1354$
$43*a=129$
$a=129:43$
$a=3$

Answer 2

(324:6+345:5)x2+1237=
(54+69)x2+1237=
123x2+1237=
246+1237=
1483

43xa+1354=1483
43xa=1483-1354
43xa=129
a=129:43
a=3

Coroana?:) Sper ca te-am ajutat.