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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: Tìm x A ( x-69)+136=92 B(124+x)-81=-82

Toán Lớp 6: Tìm x
A ( x-69)+136=92
B(124+x)-81=-82

Comments ( 2 )

  1. #Lp
    a) ( x – 69 ) + 136 = 92
    x – 69 = 92 – 136
    x – 69 = -44
    x = -44 + 69
    x = 25
    => Vậy x = 25
    b) ( 124 + x ) – 81 = -82
    124 + x = -82 + 81
    124 + x = -1
    x = -1 – 124
    x = -125
    => Vậy x = -125

  2. $#Mimy$
    a, ( x – 69 ) + 136 = 92
    => ( x – 69 ) = 92 – 136
    => x – 69  = – 44
    => x = -44 + 69
    => x = 25
    Vậy x = 25
    ———————————
    b, ( 124 + x ) – 81 = -82
    => 124 + x = -82 + 81
    => 124 + x =  -1
    => x = -1 – 124
    => x = -125
    Vậy x = -125 

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222-9+11+12:2*14+14 = ? ( )