kingcristian4 kingcristian4

20-12-2019
Mathematics

contestada

Find The Value of X:
A= 12
B= 16
C= 21
D= 24

Find The Value of X A 12 B 16 C 21 D 24 class=

Respuesta :

jimrgrant1 jimrgrant1

20-12-2019

Answer:

x = 21

Step-by-step explanation:

The 2 angles form a straight angle and are supplementary, thus

7x + 9 + 2x - 18 = 180, that is

9x - 9 = 180 ( add 9 to both sides )

9x = 189 ( divide both sides by 9 )

x = 21

Answer Link

potatocat2uwu potatocat2uwu

20-12-2019

Answer:

x = 21

Step-by-step explanation:

The 2 angles form a straight angle and are supplementary

7x + 9 + 2x - 18 = 180

9x - 9 = 180

9x = 189

x = 21

Answer Link

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