7=x+4x+7

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Solution for 7=x+4x+7 equation: 


x in (-oo:+oo)

7 = x+4*x+7 // - x+4*x+7

7-x-(4*x)-7 = 0

7-x-4*x-7 = 0

-5*x = 0 // : -5

x = 0

x = 0

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