3 years ago

2x + 3y = 9 solve for x

Mathematics

1 answer:

lutik1710 [3]3 years ago

4 0

Answer:

X=9/2-3/2

Step-by-step explanation:

1.Move the variable

2x=9-3y

2.Divide both side

X=9/2-3/2

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Read 2 more answers

If y varies inversely as x and y=23 when x=8 find y when x=4

valina [46]

<h2>INVERSE VARIATION</h2>

EQUATION: 

$y = \frac{k}{x}$

––––––––

First, find the constant of variation k using the formula k=xy.

$23 = \frac{k}{8}$

$k = (8)(23)$

$k = 184$

––––––––

Then, find y if x is equal to four using the formula y=184/x.

$y = \frac{184}{x}$

$y = \frac{184}{4}$

$y = 46$

Final Answer:

5 0

3 years ago