Réponse:
a.
x-1=2
b.
2x-2=12
c.
2x-10=3x-12
et
x=2
d.
2x+1=4x-1
2x=2
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Réponse:
a.
x-1=2
b.
2x-2=12
c.
2x-10=3x-12
et
x=2
d.
2x+1=4x-1
et
2x=2