What is the value of x?

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x =

two lines slightly inclined with horizontal intersect at the midpoint forming an obtuse angle. the above obtuse angle is labeled left square bracket 2 left parenthesis x plus 10 right parenthesis right square bracket degrees. the below obtuse angle is labeled left parenthesis 3 x minus 30 right parenthesis degrees.

Answer : The value of 'x' is,

Step-by-step explanation :

From the given figure we conclude that, the given angles are vertically opposite angles.

That means, the vertically opposite angles are equal.

Now rearranging the terms, we get:

Therefore, the value of 'x' is,

choice b is correct

step-by-step explanation:

we have been given the following system of linear inequalities;

we are required to graphically determine the solution to these system of inequalities. using a graphing tool, the solution is as shown in the attachment below;

answer: the common difference is -0.10