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What is the value of x? Enter your answer in the box. x = Triangle with angles labeled 8 x plus 3 degrees, 10 x minus 4 degrees, and 91 degrees.
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What is the value of x? Enter your answer in the box. x = Triangle with angles labeled 8 x plus 3 degrees, 10 x minus 4 degrees, and 91 degrees.

User Titsjmen
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2 Answers

3 votes

Answer:

x=5

Explanation:

k-12 8th grade here!! xx

User Merin Nakarmi
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8.9k points
3 votes
angles in a triangle always add to 180 degrees. 180=(8x+3degrees)+(10x-4 degrees)+91
180-91=89 89=(8x+3 degrees)+(10x-4 degrees) 89-3= 86 86+4=90
(8x+10x=18x) 18x=90
divide bothe sides by 18
x = 5
User Aidan Ewen
by
7.8k points
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