Homework Help: Math

Posted by Anonymous on Sunday, February 24, 2013 at 3:07pm.

one satellite radio service charges $10.00 per month plus an activation fee of $20.00. a second service charges $11.00 per month and an activation fee of $15.00 for what number of months is the cost of either service the same?

Math - Henry, Tuesday, February 26, 2013 at 9:24pm
10x + 20 = 11x + 15.
10x - 11x = 15 - 20
-x = -5
X = 5 mo.

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