bonjour
-12d + 4 = -20
-12d = -20 - 4
-12d = -24
d = (-24) / (-12)
d = 2
vérif -12*2 + 4 = -24 + 4 = -20
6(x+32) - 5 = 235
6*x + 6*32 - 5 = 235
6x + 192 - 5 = 235
6x + 187 = 235
6x = 48
x = 8
vérif 6*(8+32) - 5 = 6*40 - 5 = 240 - 5 = 235
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bonjour
-12d + 4 = -20
-12d = -20 - 4
-12d = -24
d = (-24) / (-12)
d = 2
vérif -12*2 + 4 = -24 + 4 = -20
6(x+32) - 5 = 235
6*x + 6*32 - 5 = 235
6x + 192 - 5 = 235
6x + 187 = 235
6x = 48
x = 8
vérif 6*(8+32) - 5 = 6*40 - 5 = 240 - 5 = 235