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3 years ago

Solve 5kx + 6 = 7kx for x.

Mathematics

1 answer:

Slav-nsk [51]3 years ago

4 0

Answer:

5kx + 6 = 7kx

Subtract 6 on both sides

5kx + 6 - 6 = 7kx - 6

5kx = 7kx - 6

Then subtract 7kx on both sides

5kx - 7kx = 7kx - 6 - 7kx

-2kx = -6

Now divide by -2k on both sides

-2kx/-2k = -6/-2k

x = -6/-2k

Simplify

x = 3/k

These are algebriac equations that you keep doing. Maybe try practicing the simpiler algebriac equations then slowely do more complicated ones. Just letting you know.

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

4a-5=3 simplify this pleaseeee

IRISSAK [1]

Answer:

Hey there!

Given Equation

4a-5=3

Add 5 on both sides

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Hope this helps :)

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The length of a cell phone is 2.2 inches and the width is 4.6 inches. The company

gayaneshka [121]

Answer:

The width of the new phone will be of 4.37 inches.

Step-by-step explanation:

This question is solved by proportions, using a rule of three.

In this question:

Length was of 2.2 inches, after the modification is of 2.09 inches.

Width was of 4.6 inches, after the modification is x. So

2.2 - 2.09

4.6 - x

Applying cross multiplication:

$2.2x = 2.09*4.6$

$x = \frac{2.09*4.6}{2.2}$

$x = 4.37$

The width of the new phone will be of 4.37 inches.

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3 years ago