-4a+7=19

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Solution for -4a+7=19 equation: 


a in (-oo:+oo)

7-4*a = 19 // - 19

7-4*a-19 = 0

-4*a-12 = 0 // + 12

-4*a = 12 // : -4

a = 12/(-4)

a = -3

a = -3

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