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What is the value of x? (1 point) 1. 24 2. 9 3. 21 4. 14 (i forgot the picture the first time)

What is the value of x? (1 point) 1. 24 2. 9 3. 21 4. 14 (i forgot the picture the first time)
asked 37.6k views
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What is the value of x? (1 point)

1. 24
2. 9
3. 21
4. 14
(i forgot the picture the first time)

What is the value of x? (1 point) 1. 24 2. 9 3. 21 4. 14 (i forgot the picture the-example-1
asked
User Guan Boshen
by
8.2k points

2 Answers

5 votes
Combine like terms 8x=168
Divide both sides by 8
X=21
answered
User Alon Zilberman
by
8.3k points
2 votes

(5x+15)°+(3x-3)°=180°(CO-INTERIOR ANGLES)


5x + 15 + 3x - 3 = 180 \\ 5x + 3x = 180 - 15 + 3 \\ 8x = 168 \\ (8x)/(8) = (168)/(8) \\ x = 21

ATTACHED IS THE SOLUTION

answered
User Romy Mathews
by
7.3k points
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