-4-a-7a=76

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


a in (-oo:+oo)

-a-(7*a)-4 = 76 // - 76

-a-(7*a)-76-4 = 0

-a-7*a-76-4 = 0

-8*a-80 = 0 // + 80

-8*a = 80 // : -8

a = 80/(-8)

a = -10

a = -10

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