Salut Joker :)
a) E = -x + 4(5+x) lorsque x = 2
E = -2 + 4(5+2)
E = 2(5+2)
E = 2 × 5 + 2 × 2
E = 10 + 4
E = 14
b) F = 8t - y + 6 lorsque t = 7 et y = -100
F = 8 × 7 - (-100) + 6
F = 56 + 100 + 6
F = 162
c) G = - n + 8 lorsque n = -20
G = - (-20) + 8
G = 20 + 8
G = 28
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Salut Joker :)
a) E = -x + 4(5+x) lorsque x = 2
E = -2 + 4(5+2)
E = 2(5+2)
E = 2 × 5 + 2 × 2
E = 10 + 4
E = 14
b) F = 8t - y + 6 lorsque t = 7 et y = -100
F = 8 × 7 - (-100) + 6
F = 56 + 100 + 6
F = 162
c) G = - n + 8 lorsque n = -20
G = - (-20) + 8
G = 20 + 8
G = 28