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1 September, 01:45

A larger number is five more than twice the smaller number their sum is 80 find the number

how do I set this up?

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  1. 1 September, 05:45
    0
    L = 5+2s

    Step-by-step explanation:

    Let L = the larger # and S = the smaller #.

    A large # is 5 more than twice a smaller # ... This gives Eq 1) L = 5 + 2S

    Their sum is 80 ... This gives Eq 2) L + S = 80.

    Substitute Eq 1) into Eq 2), you get

    L + S = 80

    5 + 2S + S = 80

    L = 5 + 2S
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