ineedhelpsoidrk ineedhelpsoidrk
  • 27-05-2020
  • Mathematics
contestada

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=

Respuesta :

wegnerkolmp2741o
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

Answer Link

Otras preguntas

Modern research has indicated that the appendix has at least one important function: a storehouse for good bacteria aids in digestion produces insulin fights in
Solve 7x − 2(x + 1) = 6x + 14. −12 12 −16 16
what is elastic potential energy
How did the discovery of oil change Qatar?
WHAT IS THE ANSWER TO THIS PRBLEM
Why did the globe theatre close for a few years
Ferns and mosses are alike in what they can reproduce sexually only when
if (x + 3)2 = 42, what is the approximate positive value of x? 0.48 3.48 5.48 6.48
please help me can't figure out
In a SRS of 80 teenagers, the average number of text messages received per day is found to 50. If the standard deviation of number of texts received is known t