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24 July, 12:00

If a = 2, find b, c, and d.

a + b = c

a-c=d

a+b=5

+2
Answers (1)
  1. 24 July, 13:01
    0
    a=2

    b=3

    c=5

    d=-3

    Step-by-step explanation:

    a + b = c

    a-c=d

    a+b=5

    a+b = 5

    a = 2

    2+b = 5

    Subtract 2 from each side

    2+b-2 = 5-2

    b=3

    a + b = c

    2+3 = c

    5=c

    a-c=d

    2-5 = d

    -3 = d
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