Posted by **Anonymous** on Sunday, December 8, 2013 at 8:45pm.

Seven friends have similar phone plans. The price of each plan is $x. Three of the seven friends pay an extra $4 per month for unlimited text messaging. Write and simplify an expression that represents the total of cost of the seven plans.

- Math -
**Steve**, Monday, December 9, 2013 at 12:11am
4x + 3(x+4) = 7x+12

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