a)28-(x-37)=15 b)(x+13):5=12 c)12.(x-1)=108

Question

a)28-(x-37)=15
b)(x+13):5=12
c)12.(x-1)=108

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Kennedy 5 tháng 2021-07-29T10:22:08+00:00 2 Answers 5 views 0

Answers ( )

    0
    2021-07-29T10:23:17+00:00

    a)       28 – (x – 37) = 15

    <=> 28 – x + 37 – 15 =0

    <=> 50 – x =0

    <=> x = 50

    b) (x + 13) : 5 =12

    <=> x + 13 = 60

    <=> x = 47

    c)12 . ( x – 1) = 108

    <=> 12x – 12 -108 =0

    <=> 12x – 120 = 0

    <=> 12x =120

    <=> x = 10

    NHỚ VOTE 5 SAO VÀ CTLHN CHO MIK NHÉ. THANKS!

     

    0
    2021-07-29T10:23:23+00:00

    a 28 – (x – 37) = 15

    <=> 28 – x + 37 – 15 =0

    <=> 50 – x =0

    <=> x = 50

    (x + 13) : 5 =12

    <=> x + 13 = 60

    <=> x = 47

    c 12 . ( x – 1) = 108

    <=> 12x – 12 -108 =0

    <=> 12x – 120 = 0

    <=> 12x =120

    <=> x = 10

     

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