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Real life word problem involving linear equation, huh? Okay, we'll try. Here are examples:

1.) The sum of Jenny's present age and Jeremiah's present age is 50. Jenny is 6 years older than Jeremiah, what are their ages in the present?

2.) James is 3 years older than John who is already 2 years old. In how many years will James age be twice John's age?

The sum of 40 and twice a number is 194. What is the number?

maria and ana can clean the house in 45 minutes. maria can clean the house alone in 20 minutes. how long can ana take clean the house alone?