Question

Aflatil pe A. ( 324 : 6 + 345 : 5 )× 2 + 1237 = 45 × a + 1354

Answer 1

(324:6+345:5)*2+1237=43*a+1354
(54+69)*2+1237=43*a+1354
123*2+1237=43*a+1354
246+1237=43*a+1354
1483-1354=43*a
129=43*a
a=129:43
a=3