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2 September, 14:42

Two equations are given below: m + 4n = 8 m = n - 2 What is the Solution?

a. 4,6

b. 2,4

c. 0,2

d. 6,8

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Answers (1)
  1. 2 September, 14:55
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    M+4n=8

    m=n-2

    we see that m=n-2

    so we can subsitute 'n-2' for m in the first equation

    (n-2) + 4n=8

    n-2+4n=8

    5n-2=8

    add 2 to both sides

    5n=10

    divide by 5

    n=2

    subsitute

    n=2

    m=n-2

    m=2-2

    m=0

    m=0

    n=2

    the answer is c. 0,2
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