Homework Help: algebra

Posted by donald on Thursday, March 10, 2011 at 2:54pm.

if 3x years from today, Megan will be (3y + 4) times her present age, what is Megan's present age in terms of x and y?

algebra - Damon, Thursday, March 10, 2011 at 3:10pm
a + 3x = (3y+4)a

a + 3x = 3 y a + 4 a

3x = 3y a + 3 a

x = a (y+1)

a = x/(y+1)

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