Respuesta :

nm0289

Answer:

x = 4

Step-by-step explanation:

6x + 3x + 4 = 40

combine like terms to get

9x + 4 = 40

subtract 4 from both sides to get

9x = 36

divide both sides by 9 to get

x = 4

ccynthiaaa
X=4 perioddd make me get that crown thingy

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