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Find the value of x a:14 b:23 c:34 d:56
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2 votes
Find the value of x
a:14
b:23
c:34
d:56

Find the value of x a:14 b:23 c:34 d:56-example-1
User Mark Stewart
by
8.0k points

2 Answers

3 votes
The angle is a right angle so that means (3x - 9) + (x + 7) will add up to 90°.

(3x - 9) + (x + 7) = 90
Combine like terms.

4x - 2 = 90
Add 2 to both sides.

4x = 92
Divide both sides by 4.

x = 23
b) 23 is your answer.
User Srmark
by
8.1k points
3 votes
4x - 2 = 90°
4x = 92
x = 23

B
User Lbollar
by
6.8k points
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