SOLUTION: Can you please answer this question with the steps: Antoine is 8 years older than his sister Michelle. Next year he will be three times as old as his sister. How old is Antoine now

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Question 722726: Can you please answer this question with the steps: Antoine is 8 years older than his sister Michelle. Next year he will be three times as old as his sister. How old is Antoine now? Thank you.
Answer by Desiree29(1) About Me  (Show Source):
You can put this solution on YOUR website!
She is now 11 years old (next year 12) and her sister 3 years old (next year 4) 3x4=12 This is the (weird) way I got the answer
x+8=x.3
x+-x= 8+3
0x=11