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BartSMP [9]
3 years ago
9

PLZ SOLVE ASAP Solve for f. -11f=7(1-2f)+5

Mathematics
2 answers:
LenKa [72]3 years ago
8 0

Answer:

F = 4

solution,

-11f=7(1-2f )+5

Or -11 f = 7-14 f +5

Or -11 f +14 f = 5+7

Or 3 f = 12

Or f=12/3

F = 4

hope this helps...

good luck on your assignment...

viktelen [127]3 years ago
4 0

Answer:

f = 4

Step-by-step explanation:

Step 1: Distribute

-11f = 7 - 14f + 5

Step 2: Combine like terms

-11f = 12 - 14f

Step 3: Add 14f to both sides

3f = 12

Step 4: Divide both sides by 3

f = 4

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For the problem to solve we'll use the following variables:

x = number of the early bird tickets sold

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Haley sold a total of 20 tickets, thus:

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Early bird tickets cost $10 and regular tickets cost $15, thus the total money collected is:

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Dividing by 5:

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We have to solve the system of equations [1] and [2].

Multiply [1] by -2:

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Add [3] to [2]:

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Simplifying:

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Substituting in [1]:

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