7+7x+4/5x=-4/5

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Solution for 7+7x+4/5x=-4/5 equation: 


x in (-oo:+oo)

7*x+(4/5)*x+7 = -4/5 // + -4/5

7*x+(4/5)*x-(-4/5)+7 = 0

7*x+(4/5)*x+4/5+7 = 0

39/5*x+39/5 = 0 // - 39/5

39/5*x = -39/5 // : 39/5

x = -39/5/39/5

x = -1

x = -1

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