Gabe61503 Gabe61503
  • 18-07-2019
  • Mathematics
contestada

Find the value of x

Find the value of x class=

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 18-07-2019

Answer:

x = 40

Step-by-step explanation:

The three angles in a triangle add to 180 degrees

x + 30 + (3x-10) = 180

Combine like terms

4x +20 = 180

Subtract 20 from each side

4x+20-20 = 180-20

4x= 160

Divide each side by 4

4x/4 =160/4

x = 40

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