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

Toán Lớp 7: Tìm x a .14-(x+3)+(2x-10)=18 b .-15-(3-3x)+(5-2x)=-2

Home/ Toán Lớp 7: Tìm x a .14-(x+3)+(2x-10)=18 b .-15-(3-3x)+(5-2x)=-2

Toán Lớp 7: Tìm x a .14-(x+3)+(2x-10)=18 b .-15-(3-3x)+(5-2x)=-2

Tháng Tư 26, 2022 Toán học 1 Comment 0 views

Toán Lớp 7: Tìm x
a .14-(x+3)+(2x-10)=18
b .-15-(3-3x)+(5-2x)=-2

Comments ( 1 )

  1. maingocquynhnhu2k1
    maingocquynhnhu2k1
    26 Tháng Tư, 2022 at 10:46 sáng
    Reply
    a,
    14-(x+3)+(2x-10)=18
    14-x-3+2x-10=18
    1+x=18
    x=18-1
    x=17
    b,
    -15-(3-3x)+(5-2x)=-2
    -15-3+3x+5-2x=-2
    -13+x=-2
    x=-2+13
    x=11

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

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