SOLUTION: 1.seven times the sum of 4 and a number is -14 2.three more than 4times a number is equal to 9less than twice 3.income your friend works as a waitress at a local restraurant.

Question 512707: 1.seven times the sum of 4 and a number is -14
2.three more than 4times a number is equal to 9less than twice
3.income your friend works as a waitress at a local restraurant. her income consists of an hourly wage plus tips. on wednesday your friend earned $25in tips over a 5 hour period. on friday your friend $30.76 in tips over a 3 hour period. how much is your friend's houly wage if your friend earned the same amount of money on wednesday as on friday?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
1)
7(x+4)=-14
7x+28=-14
7x=-14-28
7x=-42
x=-42/7
x=-6
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2)
4x+3=2x-9
4x-2x=-9-3
2x=-12
x=-12/2
x=-6
---------------
3)
seems like some information is missing?

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