3 years ago

In the equation 2x + 7 = 21, what is the value of x? A.7 B.9 C.11 D.14

1 answer:

8 0

The value of x is A.

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Hitman42 [59]

Answer:

The angles measures x and 4x are complementary angles. The value of x is 36 degrees

Solution:

Given, two angles are x and 4x

We have to find the value of above given x

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So, we know that, sum of any two complementary angles will always be equal to 180 degrees

Then, in the problem given,

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