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e-lub [12.9K]
3 years ago
9

2X- 10 =30 solve for X

Mathematics
2 answers:
melamori03 [73]3 years ago
8 0
<h2>Answer:</h2><h3>X = 20</h3><h2>Step-by-step explanation:</h2>

First, add 10 to both sides.

2X - 10 + 10 = 30 + 10

2X = 40

Finally, we have to divide both sides by 2!

2X / 2 = 40 / 2

X = 20

Kazeer [188]3 years ago
5 0
2x - 10 = 30
2x = 40
x = 20
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Hey there!

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\frac{12}{12} - \frac{1}{4} - \frac{1}{4} - \frac{1}{3}
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It can then be concluded that each parent ate \frac{1}{12} of the cake, since there was \frac{2}{12} remaining. 

You can check this answer by adding up all of the parts we used in this problem:

\frac{3}{12} + \frac{3}{12} + \frac{4}{12} +  \frac{1}{12} +  \frac{1}{12} = \frac{12}{12}

Hope this helped you out! :-)
3 0
3 years ago
^^^^^^^^^^^^^^^^^^^^
tangare [24]

<u>Answer:</u>

The correct answer option is B. 21.

<u>Step-by-step explanation:</u>

We are given a figure where the line KL is intersecting another line MN such that angle from K to N is equal to the angle opposing it which is the angle measuring (5x).

Measure of angle K - N = 90° + 15° = 105°

Since angle K - N = angle M - L, we can write it as:

105° = 5x

x = 105/5

x = 21

Therefore, the correct answer option is B. 21.

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