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How do u solve for X?
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How do u solve for X?

How do u solve for X?-example-1
User Shuhad Zaman
by
3.7k points

2 Answers

2 votes

Answer:

2x - 30 and x degrees should add up to 180 degrees

2x - 30 + x = 180

3x = 210

x = 70 degrees

The correct answer would be D

User Matthewmcneely
by
4.2k points
3 votes

Answer:

x = 70

Explanation:

x and 2x - 30 are supplementary angles , sum to 180° , then

x + 2x - 30 = 180 ( add 30 to both sides )

3x = 210 ( divide both sides by 3 )

x = 70

User Peter Kellner
by
3.8k points
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