3 years ago

What is the value of x?

Mathematics

1 answer:

givi [52]3 years ago

5 0

Answer:

x = 12

Step-by-step explanation:

The 2 given angles form a straight angle and are supplementary, thus

10x - 20 + 6x + 8 = 180

16x - 12 = 180 ( add 12 to both sides )

16x = 192 ( divide both sides by 16 )

x = 12

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