Odpowiedź:
(8 - x)/2 + (5 + x)/4 = 12( 1 - x/48)
(8 - x)/2 + (5 +x)/4 = 12 - 12x/48
(8 - x)/2 + (5 + x)/4 = 12 - x/4 | * 4
2(8 - x) + 5 + x = 12 * 4 - x
16 - 2x + 5 + x = 48 - x
- x + 21 = 48 - x
- x + x = 48 - 21
0 ≠ 27
Równanie sprzeczne , x ∈ ∅ (zbiór pusty)
(x + 4)/2 - 5 = - 3 | * 2
x + 4 - 5 * 2 = - 3 * 2
x + 4 - 10 = - 6
x - 6 = - 6
x = - 6 + 6 = 0
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Odpowiedź:
(8 - x)/2 + (5 + x)/4 = 12( 1 - x/48)
(8 - x)/2 + (5 +x)/4 = 12 - 12x/48
(8 - x)/2 + (5 + x)/4 = 12 - x/4 | * 4
2(8 - x) + 5 + x = 12 * 4 - x
16 - 2x + 5 + x = 48 - x
- x + 21 = 48 - x
- x + x = 48 - 21
0 ≠ 27
Równanie sprzeczne , x ∈ ∅ (zbiór pusty)
(x + 4)/2 - 5 = - 3 | * 2
x + 4 - 5 * 2 = - 3 * 2
x + 4 - 10 = - 6
x - 6 = - 6
x = - 6 + 6 = 0