5x - 3= 7 what is x?
2 answers:
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300 messages would have to be sent or received in order for the plan to cost same each month.
Step-by-step explanation:
Given,
Cost per month = $30
Per text sent or received charges = $0.10
Let,
x be the number of texts sent or received.
A(x) = 0.10x+30
A comparable plan costs = $60 per month
Text messages are unlimited.
B(x) = 60
For the two plans to cost equal;
A(x) = B(x)
Dividing both sides by 0.10
300 messages would have to be sent or received in order for the plan to cost same each month.
Keywords: function, addition
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Answer/Step-by-step explanation:
A.
Using b = 2
Using b = 4
Using b = 6
Using b = 8
Using b = 10
Using b = 2
B.
Using x = 3
Using x = 5
Using x = 7
Using x = 9
Using x = 11
Using x = 13
C.
Using a = 2
Using a = 3
Using a = 4
Using a = 5
Using a = 6
Using a = 7
D.
Using y = 2
Using y = 3
Using y = 5
Using y = 10
Using y = 8
Using y = 6