my father’s age divided by 5 is equal to my brother’s age divided by 3. my brother is 3 years older than me. my father’s age is 3 less than 2 times my age. how old is my father

my father’s age divided by 5 is equal to my brother’s age divided by 3. my brother is 3 years older than me. my father’s age is 3 less than 2 times my age. how old is my father