Math, asked by priyankajena23082008, 1 month ago

1) If thrice a certain number is decreased by 7
the result is 9 more than the number. Find the number.

2) A man is 30 years old and his son is 4 years old. After how many years will the man be twice as old as his son .

give the answer on full state ment

Answers

Answered by pareeksim

0

Step-by-step explanation:

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