Odpowiedź:
Szczegółowe wyjaśnienie:
P = 5x - 3y
Q = 3x + 7y - 2
R = -4x + 11y + 3
a) P + Q - R
5x - 3y + 3x + 7y - 2 -(-4x + 11y + 3) =
8x + 4y - 2 + 4x - 11y - 3 =
12x - 7y - 5
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Odpowiedź:
Szczegółowe wyjaśnienie:
P = 5x - 3y
Q = 3x + 7y - 2
R = -4x + 11y + 3
a) P + Q - R
5x - 3y + 3x + 7y - 2 -(-4x + 11y + 3) =
8x + 4y - 2 + 4x - 11y - 3 =
12x - 7y - 5