3+x/7=-1

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Solution for 3+x/7=-1 equation: 


x in (-oo:+oo)

x/7+3 = -1 // + 1

x/7+1+3 = 0

1/7*x+4 = 0 // - 4

1/7*x = -4 // : 1/7

x = -4/1/7

x = -28

x = -28

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