The age of prashant is 6 yrs less than thrice the age of his younger brother.If prashant is 21 yrs old,how old is his younger brother?
Answers
Answered by
6
3x-6=21
3x=21-6
3x-15
x=15/3
x=3
3x=21-6
3x-15
x=15/3
x=3
Answered by
20
3x - 6=21
3x=21+6
x= 27/3=9
3x=21+6
x= 27/3=9
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