Solve 10/x + 2/x= 12. Show all of your work for full credit.

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Solve 10/x + 2/x= 12. Show all of your work for full credit.

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Thành Công 5 years 2021-08-06T02:17:42+00:00 1 Answers 19 views 0

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  1. thienhuong
    0
    2021-08-06T02:19:17+00:00
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    Answer:

    x = 1

    Step-by-step explanation:

    move all terms to the left

    10/x+2/x-(12)=0

    domain of the equation: x!=0

    x∈R

    multiply all the terms by the denominator

    -12*x+10+2=0

    add all the numbers together, and all the variables

    -12x+12=0

    move all terms containing x to the left, all other terms to the right

    -12x=-12

    x=-12/-12 – divide

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )