Réponse :
Explications étape par étape
a) 4x = 0 + 16
4x = 16
x = 16 / 4
x = 4
b) 24 - 5 - a = -8a - 3
19 - a = -8a - 3
-a + 8a = -3 -19
7a = - 22
a = -22/7
c) 10 + 5t + 4 = -6
14+ 5t = -6
5t = -6 - 14
5t = - 20
t = -20/5
t = -4
d) 7x² -2x - 4 = 7x² -x
-2x - 4 = -x
x = -4
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Réponse :
Explications étape par étape
a) 4x = 0 + 16
4x = 16
x = 16 / 4
x = 4
b) 24 - 5 - a = -8a - 3
19 - a = -8a - 3
-a + 8a = -3 -19
7a = - 22
a = -22/7
c) 10 + 5t + 4 = -6
14+ 5t = -6
5t = -6 - 14
5t = - 20
t = -20/5
t = -4
d) 7x² -2x - 4 = 7x² -x
-2x - 4 = -x
x = -4