Odpowiedź :
a)
-6 - 2x = -6 - 2 * (-2) = -6 + 4 = -2
b)
2x + 3y - 5 = 2 * 3 + 3 * (-4) - 5 =
= 6 - 12 - 5 = -6 - 5 = -11
A) -6 - ( - 2 × 2 )
- 6 - 4 = -10
B) nie podano
C)
2x + 3y - 5
(2 × 3) + (3 × -4) - 5
6 - 12 - 5 = - 11
a)
-6 - 2x = -6 - 2 * (-2) = -6 + 4 = -2
b)
2x + 3y - 5 = 2 * 3 + 3 * (-4) - 5 =
= 6 - 12 - 5 = -6 - 5 = -11
A) -6 - ( - 2 × 2 )
- 6 - 4 = -10
B) nie podano
C)
2x + 3y - 5
(2 × 3) + (3 × -4) - 5
6 - 12 - 5 = - 11