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3 years ago

Solve. 2/3x = -20. A) -60 B) -30 C) -10 D) 10

Mathematics

2 answers:

kozerog [31]3 years ago

6 0

Simplify 2/3x to 2x/3

2x/3 = -20

Multiply both sides by 3

2x = -20 × 3

Simplify 20 × 3 to 60

2x = -60

Divide both sides by 2

x = -60/2

Simplify 60/2 to 30

<u>Answer: B) -30</u>

vodomira [7]3 years ago

4 0

Answer:

the answer to you question is -30

Step-by-step explanation:

what you have to do is take the fraction and multiply it by its reciprocal to get it away from the x and if you multiply on one side then you have to multiply on the other side also so you would multiply -20 by 3/2 the you would get the answer of -30

Hope this helps!!!:) can I get the Brainliest?

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4 years ago

-1.2x + 11.45 = 8.21

kondaur [170]

Hi there!

If you solve for $x$ in this problem you would end up with a result of $\boxed{x = 2.7}$ . To find $x$ you need do the following:

First, subtract 11.45 from both sides:

$-1.2x+11.45-11.45=8.21-11.45$

$-1.2x=-3.24$

Next, divide both sides by -1.2:

$\frac{-1.2x}{-1.2} = \frac{-3.24}{-1.2}$

To get the end result of:

$\boxed{x = 2.7}$

-Your friend, ASIAX

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3 years ago