-4a+2=-42

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Solution for -4a+2=-42 equation: 


a in (-oo:+oo)

2-4*a = -42 // + 42

2-4*a+42 = 0

44-4*a = 0 // - 44

-4*a = -44 // : -4

a = -44/(-4)

a = 11

a = 11

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