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lawyer [7]
3 years ago
10

Find the error and correct it

Mathematics
1 answer:
jek_recluse [69]3 years ago
6 0
4=-2(x-3)

divide both sides by 2

2=-(x-3)

remove parentheses

2=-x+3

move terms

2+x=3

subtract numbers

x=3-2

x=1
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Pre Algebra
Maslowich

Answer:

A. 36

B. 3.5

Step-by-step explanation:

To solve for the first equation, we could represent the hot dogs as h(1.75-.50), since they are losing .50 cents for each hot dog, <em>h,</em> they make.

Since they want to know how many hot dogs they have to sell to equal the amount of money they spent, we can represent it as an equal sign.

Now all we have to do is add the constants. Add 12 to our overall equation and subtract 57, since the <u>received</u> $12 in donations and <u>lost</u> $57.

Our equation is 12+h1.75=57+.5h We can just put all of the negative numbers on one side and the positive numbers on the other to find out when they will be equal.

First, subtract 12 from 57.

h1.75=45+.5h

Now subtract .5h from both sides.

h1.25=45

Finally, divide both sides by 1.25.

h=36.

They will have to sell 36 hot dogs.

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The hotdogs will have to cost $3.5.

Hope this helps!

4 0
3 years ago
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