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

Toán Lớp 6: C) -(x-23)-223=114 D) -41-(-141+x)=34 mong mn giúp mk ạ!!! mk cảm ơn mn nhiều ạ!!!

Toán Lớp 6: C) -(x-23)-223=114
D) -41-(-141+x)=34
mong mn giúp mk ạ!!! mk cảm ơn mn nhiều ạ!!!

Comments ( 2 )

  1. -(x – 23) – 223 = 114
    -(x – 23) = 114 + 223
    -(x – 23) = 337
    x = -337 + 23
    x = -314
    ___________________________
    -41 – (-141 + x) = 34
    (-141 + x) = -41 – 34 = -75
    x = -75 – (-141)
    x = 66

  2. Lời giải chi tiết:
    c) -(x-23)-223=114
    =>-x+23=114+223
    =>-x+23=337
    =>-x=337-23
    =>-x=314
    =>x=-314
    Vậy x=-314
    d) -41-(-141+x)=34
    =>-141+x=-41-34
    =>-141+x=-75
    =>x=-75-(-141)
    =>x=66
    Vậy x=66
                                                 
    @uniquetimehunter
                                                  

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