Question

va rog ajutor, cat e:[(a×9)-78÷2]+25×4=1492​

Answer 1

[(ax9)-78:2]+25x4=1492

=[(ax9)-78:2]+25=1492:4

=(ax9)-78:2=373-25

=(ax9)-78=348x2

=ax9=696+78

a=774:9

a=86

REZULTAT A=86

(In caz ca nu sti : inseamna impartire)

Answer 2

Răspuns:

[(a×9)-78÷2]+25×4=1492 /÷

[(a×9)-78÷2]+25=1492÷4

[(a×9)-78÷2]+25=373 /-

(a×9-78÷2)=348

a×9-78=174 /+

a×9= 252 /÷

a=28