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What is the value of x?

PLZ HELP!!

What is the value of x? PLZ HELP!!-example-1
User SRachamim
by
7.3k points

2 Answers

4 votes

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Angles on a straight line equal 180

Therefore:

10x - 20 + 6x + 8 = 180

Simplify:

16x - 12 = 180

Add 12 to both sides:

16x = 192

Divide both sides by 16:

x = 12

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User Mihae Kheel
by
7.2k points
1 vote

Answer:

x = 12

Explanation:

Supplementary angles, sum = 180

10x - 20 + 6x + 8 = 180

16x - 12 = 180

16x = 192

x = 12

User Stefan Rusek
by
8.1k points