Carolina12321 Carolina12321

31-01-2017
Mathematics

Answered

I don't understand, please help :

Algebra... :

Ninety-nine less than three times Brandons age is thirty-one less than his age. How old is Brandon?

(please show work!)

Verified Answer :

BookWorm01 BookWorm01

31-01-2017

3x-99=x-31 is the equation (x being his age)
-x
2x-99=-31
+99
2x=68
x=34

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