Shane earns $8 per hour babysitting and $6 per hour walking dogs. He also earns tips for each job. Last week Shane spent 2 more hours walking dogs than babysitting. He received $12 in tips for babysitting and $10 in tips for dog-walking. Shane earned the same total amount for each job. Write an equation to represent the situation. Use the variable h to represent the number of hours Shane spent babysitting.