Question

[41 536 +9×43-(2y+6×8-5×2)]-1936÷4×78 =4 065

Answer 1

[41 536 +9×43-(2y+6×8-5×2)]-1936÷4×78 =4 065
[41 536+387-(2y+48-10)]-484×78=4065
[41 536+387-(2y+38)]-37 752=4065
41536+387-(2y+38)=4065+37752
41536+387-(2y+38)=41817
41923-(2y+38)=41817
2y+38=41923-41817
2y+38=106
2y=106-38
2y=68
y=68:2
y=34

Verificare:
[41 536 +9×43-(2y+6×8-5×2)]-1936÷4×78 =
[41 536 +9×43-(2×34+6×8-5×2)]-1936÷4×78 =
[41536+387-(68+48-10)]-484×78=
41536+387-106-37752=
41923-106-37752=
4065