Question

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Answer 1

An angle on a straight line is 180 degrees

⇒ this angel is made up of two angles with measures

⇒ 'x-7' and '57'

⇒ when these two angles are added up they are equal to the larger

angle that is 180 degrees in measure

Let's set up a mathematical equation based on the information and deduction:

`(x-7)+57=180\\x-7+57 = 180\\x + 50=180\\x = 130`

Answer: The value of x is 130

Hope that helps!