Need help with this please

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Put the equation in slope intercept form by solving for y