1+2x+4/7x=-65/7

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Solution for 1+2x+4/7x=-65/7 equation: 


x in (-oo:+oo)

2*x+(4/7)*x+1 = -65/7 // + -65/7

2*x+(4/7)*x-(-65/7)+1 = 0

2*x+(4/7)*x+65/7+1 = 0

18/7*x+72/7 = 0 // - 72/7

18/7*x = -72/7 // : 18/7

x = -72/7/18/7

x = -4

x = -4

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