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leva [86]
3 years ago
5

What is -2x-7=3(4x+7)

Mathematics
2 answers:
Ludmilka [50]3 years ago
4 0

Answer:

x= -2

Step-by-step explanation:

-2x-7=3(4x+7)

multiply numbers in parenthesis by 3

-2x-7=12x+21

move terms

-2x-12x=21+7

subtract -2x to -12x but since there negative the equation is addition. Also, add 21 to 7

-14x=28

divide both sides by -14

x= -2

3241004551 [841]3 years ago
3 0

Answer:

x= -2

Step-by-step explanation:

sorry dont read this

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6 0
3 years ago
Use the Distributive Property to solve the equation
melomori [17]

Answer:

x = -9

Step-by-step explanation:

- 2(x + 7) = 4

Distribute

-2x -14 = 4

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-2x = 18

Divide each side by -2

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x = -9

3 0
3 years ago
Use the following statement to answer the question.
MariettaO [177]
Addition property of equality
6 0
3 years ago
Re-write the equation after you combine
tekilochka [14]
- 2x - 11 = - 25 :) hope this is ok
4 0
4 years ago
Read 2 more answers
Help me please ty ty ‍♀️❤️ Appreciate it
Cloud [144]

Answer:

Pretty Simple!

Now that you know about ratios and all that, this is pretty tame compared to the last problem.

Now, the problem is talking 2D(2 Dimensions)

The ratio is not going to work because it has only one parameter.

Thus, we need to square it!

(\frac{1}{20})^{2}  =\frac{1}{400}

Thus, we have your correct ratio.

Now, we only need to do the same thing for the triangle problem. Meaning that, we need to compare the ratios, with x as the thing we are looking for.

\frac{1}{400}=\frac{219}{x} \\x=87,600

See? X is practically handed to us.

Hope this helps!

8 0
4 years ago
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