Liczba -4 jest rozwiązaniem równania.Oblicz wartość a
D : 2x + a ≠ 0 => a ≠ 8
-4 / [ 2*(-4) + a ] = 1 | * (-8 + a)
-4 = -8 + a
a = 4
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D : 2x + a ≠ 0 => a ≠ 8
-4 / [ 2*(-4) + a ] = 1 | * (-8 + a)
-4 = -8 + a
a = 4