hi, this is my question: James is X years old and his brother is 3 years younger. write an expression for their total age. would it be X-3 or would i have to do X-3 = X-3= 2X-3? Thanks
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Originally Posted by andyboy179 hi, this is my question: James is X years old and his brother is 3 years younger. write an expression for their total age. would it be X-3 or would i have to do X-3 = X-3= 2X-3? Thanks Well you ended up with the right answer after some wrong steps (or typos?). Break it down so you don't make mistakes: James's age: X His brother's age: X - 3 Their total age = (James's age) + (His brother's age) = (X) + (X - 3) = 2X - 3
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