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15-08-2019
Mathematics

contestada

A pair of
supplementary angles
have measurements of
(10x - 5)º and (4x+3)º
Solve for x.

Respuesta :

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15-08-2019

Answer:

x=13º

Step-by-step explanation:

(10x - 5) + (4x+3) =180

14x-2=180

14x=182

x=13

10*13-5=125

4*13+3=55

125 +55= 180

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