Question

afla valuarea lui a

24 659+ 179 869 : 4 -a =49 347

Answer 1

$24659+179869:4-a=49347 \\\\\ 179869:4-a=49347-24659 \\\\ 179869:4-a=24688 \\\\ 179869:4=24688+a \\\\ 44967,25-24688=a \\\\ \boxed{a=20279,25}$

Answer 2

24659+44967,25-a=49347
69626,25-a=49347
-a=49347-69626,25
-a=-20279,25 (-1)
a=20279,25