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lisabon 2012 [21]
3 years ago
8

-x-8+14x=-34 solve for x

Mathematics
2 answers:
Maksim231197 [3]3 years ago
8 0

Answer:

X = -2

Step-by-step explanation:

-x - 8 + 14x = -34                                          

-x + 14x = -34 + 8

-x + 14x = -26

13x = -26

x = -26/13

x = -2


-(-2) - 8 + 14(-2) = -34

2 - 8 - 28 = -34

-34 = -34

Tcecarenko [31]3 years ago
4 0
14x -x -8 = -34
13x -8 =-34
13x =-34+ 8
13x= -26
x= -2

Hope it helps!
#MissionExam001
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Tickets to the school musical are $5.00 for adults and $2.50 for students. If the total value of the tickets sold was $687.50 an
Masja [62]

Answer:

Your answers should be a = 135 adult tickets and s = 186 student tickets.

Step-by-step explanation:

1. Solving for variable s by manipulating variable a:

a + s = 321

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$3.50(321-s) + $2.50s = $937.50 (substitution from step 2)

$1123.50 - $3.50s + $2.50s = $937.50 (distributive property)

$1123.50 - $1.50s = $937.50 (combine like terms)

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s = 186 student tickets.

2. Solving for variable a by manipulating variable s:

a + s = 321

s = 321 - a

$3.50a + $2.50(321-a) = $937.50

$3.50a + $802.50 - $2.50 a = $937.50

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Now, we can use elimination:

3.50a + 3.50s = 1123.50

3.50a + 2.50s = 937.50

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The same process can be used to solve for variable a. Your answers should be a = 135 adult tickets and s = 186 student tickets.

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