VantabIack VantabIack

03-10-2020
Mathematics

contestada

Write an equation and use it to solve for x.

Options:

x = 10 5/9
x = 9
x = 9 4/9
x = 27

Write an equation and use it to solve for x Options x 10 59 x 9 x 9 49 x 27 class=

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

03-10-2020

Answer:

3x+2 + 6x+7 + 90 = 180

x=9

Step-by-step explanation:

Since JKL is a straight line, it equals 180

JKM + MKN + NKL = 180

3x+2 + 6x+7 + 90 = 180

Combine like terms

9x+99 = 180

Subtract 99 from each side

9x+99-99= 180-99

9x =81

Divide each side by 9

9x/9 = 81/9

x=9

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