neari101
neari101
12-10-2018
Mathematics
contestada
Find the value of x in the figure.
Respuesta :
rosalina5
rosalina5
12-10-2018
final answer: x=9
your welcome
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cdw2014
cdw2014
12-10-2018
The two angles are supplementary which means they add to 180 degrees. To solve for x, set the sum of the expressions equal to 180:
(8x + 5) + (13x - 14) = 180
Combine like terms
21x - 9 = 180
Solve for x
21x = 189
x = 189/21
x = 9
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