x/4+9=7

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Solution for x/4+9=7 equation: 


x in (-oo:+oo)

x/4+9 = 7 // - 7

x/4-7+9 = 0

1/4*x+2 = 0 // - 2

1/4*x = -2 // : 1/4

x = -2/1/4

x = -8

x = -8

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