-7a-2=-30

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Solution for -7a-2=-30 equation: 


a in (-oo:+oo)

-7*a-2 = -30 // + 30

30-7*a-2 = 0

28-7*a = 0 // - 28

-7*a = -28 // : -7

a = -28/(-7)

a = 4

a = 4

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