orestielezi53 orestielezi53

16-02-2020
Mathematics

contestada

one angle is 4x*
another one is (x+13)*
the another one is (3x-9)*
guess the x

Respuesta :

22stolc 22stolc

16-02-2020

Answer:

x = 22

Step-by-step explanation:

4x + x + 13 + 3x - 9 = 180

8x + 4 = 180 Combine like terms

- 4 - 4 Subtract 4 on both sides

8x = 176 Divide both sides by 8

x = 22

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