math

an isosceles triangle has a perimeter of (9y-15)cm.what is the length of each of the two equal sides,if its third sides is (3y-7)cm

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  1. let each of the equal sides be s
    2s + 3y-7 = 9y-15
    2s = 6y -8
    s = 3y - 4

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  2. Draw me the triangle

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