Shlumps
Shlumps Shlumps
  • 03-07-2017
  • Mathematics
contestada

Find the value of x.

Find the value of x class=

Respuesta :

Banabanana
Banabanana Banabanana
  • 03-07-2017
An exterior angle of a triangle is equal to the sum of the opposite interior angles, so:

8x + 15 = 3x + 20 + 4x + 5
8x + 15 = 7x + 25
8x - 7x = 25 - 15
x = 10

Answer Link
ARYANAGARWAL ARYANAGARWAL
  • 03-07-2017
(4x+5) + (3x+20) = 8x+15
[Reason - Exterior angle is equal to sum of its two interior angles]

7x + 25 = 8x + 15
x = 10
Answer Link

Otras preguntas

factor strings of 840 up to six factors
What is the reason for cleaning dishes, utensils, and food preparation surfaces?
Some people prefer interval training because      A. the intensity of the exercise doesn't increase, only the time does.B. they can exercise at a steady, but sl
Is Charles David Waller in WW1
solve please?xd=y(L-d)please explain the steps also
A 12 gallon tank is filled with water at a rate of 1/4in 5 seconds. It will take ____ Minutes and ____ seconds to fill 5/6 of the tank HELP
18x-(8x-7)=67 what does 'x' equal in this equation?
a cube has surface area 6534 square feet. what is the volume
Words to match the expression 36÷4
Which energy types are renewable?