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MakcuM [25]
2 years ago
13

Which equation shows a valid step in solving /2x-6+2x+6=0?

Mathematics
1 answer:
AfilCa [17]2 years ago
5 0

An equation which shows a valid step that can be used to solve the given mathematical equation is (\sqrt[3]{2x - 6})^3 = (-\sqrt[3]{2x + 6})^3

<h3>What is an equation?</h3>

An equation simply refers to a mathematical expression that can be used to show the relationship existing between two (2) or more numerical quantities.

In this exercise, you're required to show a valid step which can be used to solve the given mathematical equation. Since both equations are having a cube root, the first step is to take the cube of both sides.

Take the cube of both sides, we have:

\sqrt[3]{2x - 6} + \sqrt[3]{2x + 6} = 0\\\\(\sqrt[3]{2x - 6})^3 + (\sqrt[3]{2x + 6})^3 = 0^3\\\\(\sqrt[3]{2x - 6})^3 = (-\sqrt[3]{2x + 6})^3

Read more on equations here: brainly.com/question/13170908

#SPJ1

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Answer:

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Step-by-step explanation:

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3 0
2 years ago
The sum of −7 times a number and 8 times the sum of the number and 1 is the same as the number minus 7.
Novay_Z [31]

Answer:

n has no value.

There is no solution to this equation

Step-by-step explanation:

let n be the number

In pieces:

sum of the number and 1: (n + 1)

8 times the sum: 8(n + 1)

-7 times a number: -7n

sum of -7 times and...: -7n + 8(n + 1)

number minus 7: n - 7

the same as: =

All together:

-7n + 8(n + 1) = n - 7

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-7n + 8n+8=n-7

0=-15

3 0
2 years ago
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kobusy [5.1K]
What’s the question?
5 0
3 years ago
Write 0.423 as a percent
Oliga [24]
If you would like to write 0.423 as a percent, you can calculate this using the following step:

0.423 * 100% = 42.3%

The correct result would be 42.3%.
8 0
3 years ago
Read 2 more answers
What’s 11 + 9/35 make sure answer is a mixed number
mr_godi [17]

Answer: 11 9/35

Step-by-step explanation: just add the whole number to the fraction.

7 0
2 years ago
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