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IrinaVladis [17]
2 years ago
7

Solve the equation and explain each step using apropriate Properties -4(3x+6)+6=-30

Mathematics
1 answer:
Lina20 [59]2 years ago
6 0

Answer:

The answer is x=1

Step-by-step explanation:

-4(3x+6)+6=-30

-12x-24+6=-30

-12x-18=-30

-12x-18+18=-30+18

-12x=-12

-12x/-12=-12/-12

x=1

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What do we have  to find??

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A student studied for 1 hour and earned a 50% on her test. If she had studied for 2
marshall27 [118]

You have to double 1 and 50 to get 2 and 100

1:50 = 2:100

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So the statement, <em>if she studied for 2 hours, she would have gotten 100%</em>,  makes sense

Hope this helps!

3 0
3 years ago
Please help, will give brainliest!!
bogdanovich [222]

Answer:

15°

Step-by-step explanation:

sum of exterior angles=360°

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b

20 ×n=360

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c.

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6 n=360

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5 0
3 years ago
5. Betty claims the solution to the equation 4x - 5(x - 5) = 7x + 13 is x = 1.5. She shows her steps below to
e-lub [12.9K]

Every step holds except for step 5


<h3>What is arithmetic?</h3>

In mathematics, it deals with numbers of operations according to the statements.

Here,
Step 1 is the result of the distribution of -5 while opening the parenthesis, So, Step 1 holds the distributive property.

Step 2, states adding like terms across each side, so combining as terms hold,

Step 3, Addition over the equal sign. So it also holds


Step 4, subtraction of 12 over the equal sign. So subtraction of the terms also holds.


Step 5, does not hold because the number 12 gets divided by 8 it is not an associative property.

Thus, Every step holds except for step 5.

Learn more about arithmetic here:

brainly.com/question/14753192

#SPJ1

6 0
1 year ago
Read 2 more answers
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torisob [31]

Answer:

c

Step-by-step exp

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3 years ago
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