Respuesta :

rainboweclipse1

Answer:

x = 4

Step-by-step explanation:

Pull out like factors:  7x - 28  =   7 • (x - 4)

Solve:  x-4 = 0

Add  4  to both sides of the equation: x = 4

Please mark as brainliest.

Thanks!
I think it’s 4 but I’m not sure

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