ineedhelpsoidrk ineedhelpsoidrk

27-05-2020
Mathematics

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Which is the value of x?

a. x=3
b. x=6.5
c. x=8.5
d. x=14

Which is the value of x a x3 b x65 c x85 d x14 class=

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wegnerkolmp2741o wegnerkolmp2741o

27-05-2020

Answer:

x = 14

Step-by-step explanation:

The angles form a straight line which makes them add to 180 degrees

4x+ 8x+12 =180

Combine like terms

12x+12 =180

Subtract 12 from each side

12x+12-12 = 180-12

12x=168

Divide each side by 12

12x/12 =168/12

x =14

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