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3 years ago

-2x - 4 + 5y = 8 solve?

Mathematics

2 answers:

snow_tiger [21]3 years ago

8 0

Step-by-step explanation:

-2x - 4 + 5y = 8

-2x + 5y = 8 + 4

-2x + 5y = 12

Hope this helps.. Good luck :)

ahrayia [7]3 years ago

5 0

Answer:

Step-by-step explanation:

You have ONE equation here in TWO unkowns. You can solve for either x or y but not both. Only if you have a system of TWO equations can you find the values of x and y that satisfy both equations.

-2x - 4 + 5y = 8 is to be solved for y:

Add 4 to both sides to combine the constant terms:

-2x + 5y = 12

To solve for y, add 2x to both sides, obtaining:

5y = 2x + 12

and then divide all three terms by 5:

y = (2/5)x + 12/5

-2x - 4 + 5y = 8 can also be solved for x if desired.

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If x and y are positive numbers xy = 96 what is the value of x

Sunny_sXe [5.5K]

The value of x is 96/y where y is not equal to zero.

Given the expression that relates x and y as xy = 96

We are told that x and y are positive numbers. To get the value of x, we will divide both sides by y as shown:

$xy = 96\\\frac{xy}{y} =\frac{96}{y} \\x = \frac{96}{y} \\$

From the result, we can conclude that the value of x is 96/y where y is not equal to zero.

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3 years ago

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Rudik [331]

Answer:

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I hope this was helpful to you! If it was, please consider rating, pressing thanks, and marking my answer Brainliest. It would help a lot. Have a great day!

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