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14 August, 15:38

What two numbers have a sum of 191 and a difference of 63? * Hint: Create a system where one equation represents the sum and one equation represents the difference. (smaller number) (bigger number)

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  1. 14 August, 16:19
    0
    both numbers are 127 and 64

    Step-by-step explanation:

    x = one of the numbers

    191-x = the other number

    (191-x) - x=63

    191-x-x=63 (combine like terms)

    191-2x=63 (rearrange)

    191-63-2x (simplify)

    128=2x

    64=x

    (127 + 64=191)

    (127-64 = 63)
  2. 14 August, 18:00
    0
    127 &64

    Step-by-step explanation:

    x+y=191 eq (1) & x-y=63 eq (2)

    x=63+y then put in the eq (1)

    63+y+y=191

    2y=191-63

    y=64 then put in the eq (2)

    x-y=63

    x = 63+y

    x=63+64

    x=127
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