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Inga [223]
3 years ago
14

What is 4X +9 equals 5X -2

Mathematics
2 answers:
Vlad [161]3 years ago
6 0

Answer:

X=11

Step by step:

4x+9=5x-2

+2 to both sides

-4x from both sides

X=11

lesantik [10]3 years ago
6 0

Answer:

Are you asking what x equals? If so, the answer is x = 11.

Step-by-step explanation:

Solve for x.

4x + 9 = 5x -2

Subtract 9 from both sides.

4x + 9 - 9 = 5x - 2 - 9

Simplify.

4x = 5x - 11

Subtract 5x from both sides.

4x - 5x = 5x - 11 - 5x

Simplify again.

-x = -11

Divide both sides by -1 to rid the x of the negative sign.

\frac{-x}{-1} = \frac{-11}{-1}

Simplify once more.

x = 11

Hope this helps! :)

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(Actually I think the problem SHOULD be worded: A 33 gram sample has k value of -.1124/days)

See attached graphic:
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Source:
http://www.1728.org/halflif2.htm





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