-15+a/2=-19

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Solution for -15+a/2=-19 equation: 


a in (-oo:+oo)

a/2-15 = -19 // + 19

a/2-15+19 = 0

1/2*a+4 = 0 // - 4

1/2*a = -4 // : 1/2

a = -4/1/2

a = -8

a = -8

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