Michael is 12 years older than Brandon. Seventeen years ago,
Michael was 4 times as old as Brandon.
How old is Brandon now?
Let m = Michael
Let b = Brandon
(1)m=b+12(2)m−17=4⋅(b−17)|m=b+12b+12−17=4⋅(b−17)b+5=4b−683b=63b=21(1)m=b+12|b=21m=21+12m=33
Michael is 33 and Brandon is 21
