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3 years ago

14

CAN SOMEONE PLEASE HELP ME!!! I’ll mark brainliest

2 answers:

kramer3 years ago

7 0

3 one is correct answer

Grace [21]3 years ago

5 0

Answer:

im pretty sure its the 3rd one

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Step-by-step explanation:

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There are 150 adults and 255 children at a zoo. The zoo makes a total of $4,500 from the entrance fees, and the cost of an adult

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What is the answer to<br> -2a-9=6a+15

timurjin [86]

Answer:

$a=-3$

Step-by-step explanation:

$-2a-9=6a+15$

Add 9 to both sides:

$-2a-9+9=6a+15+9$

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Subtract 6a from both sides:

$-2a-6a=6a+24-6a$

$-8a=24$

Divide both sides by -8:

$\frac{-8a}{-8}=\frac{24}{-8}$

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