shamamchyan shamamchyan

15-04-2020
Mathematics

contestada

Can someone help me on number 7?

Can someone help me on number 7 class=

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

15-04-2020

Answer:

x = 50

Step-by-step explanation:

The sum of the angles of a quadrilateral are 360

M + N + J + K = 260

x + x+15 + 2x+15 + 3x-20 = 360

Combine like terms

7x + 10 = 360

Subtract 10 from each side

7x+10-10 = 360-10

7x= 350

Divide each side by 7

7x/7 = 350/7

x = 50

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