Question

[Tui zô tri ('-')]

Tìm x:

a)x-2,5=8,17+12,35                                                         b)x-30,7=29,4+5,68

Answer 1

[Nguyễn Lê Phước Thịnh]

a: x-2,5=8,17+12,35

=>\(x-2,5=20,52\)

=>\(x=20,52+2,5=23,02\)

b: \(x-30,7=29,4+5,68\)

=>\(x-30,7=35,08\)

=>\(x=35,08+30,7=65,78\)