ziblacking
ziblacking
07-07-2018
Mathematics
contestada
find the value of x
a:14
b:23
c:34
d:56
Respuesta :
kennyxue54pbf7zy
kennyxue54pbf7zy
07-07-2018
4x - 2 = 90
°
4x = 92
x = 23
B
Answer Link
Supernova
Supernova
07-07-2018
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.
Answer Link
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