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16 December, 07:05

The sum of two numbers is 76. Their difference is 36. Find the numbers

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  1. 16 December, 07:20
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    The sum of two numbers is 76. Their difference is 36. Find the numbers

    X+y = 76

    X-y=36

    Add x+x, y cancels out, add76+36

    2x = 112

    Divide 2 both sides

    X = 61

    Now substitute your x answer into first original equation

    X+y = 76

    61+y = 76

    Subtract 61 both sides to get y.

    Y = 76-61

    Y = 15

    Your two numbers are 61 and 15
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