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16-10-2014
Mathematics

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2 years ago my age was x4 my son's. 8 years ago my age was x10 my son's. How old is my son now? Help! I need an equation to answer this, please.

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konrad509 konrad509

16-10-2014

x - your age
y - your son's age

[tex]x-2=4(y-2)\\ x-8=10(y-8)\\\\ x-2=4y-8\\ x-8=10y-80\\\\ x=4y-6\\ x=10y-72\\\\ 4y-6=10y-72\\ 6y=66\\ y=11\\\\ x=4\cdot11-6\\ x=44-6\\ x=38[/tex]

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