1+7a+4a=-76

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Solution for 1+7a+4a=-76 equation: 


a in (-oo:+oo)

7*a+4*a+1 = -76 // + 76

7*a+4*a+1+76 = 0

11*a+77 = 0 // - 77

11*a = -77 // : 11

a = -77/11

a = -7

a = -7

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