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one satellite radio station service charges $10 per month plus an activation fee of $20. A second service charges $11 per month plus an activation fee of $15. In what month will the cost of both plans
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one satellite radio station service charges $10 per month plus an activation fee of $20. A second service charges $11 per month plus an activation fee of $15. In what month will the cost of both plans be the same?

User Joann
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set 10x+20=11x+15 solve for x that will be the number month the costs will be the same
User Timotei
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