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Sagot :

Réponse:

1)4x - 2 = -3x + 6

4x=-3x+8

7x=8

x=8/7

2) 4(5 – x) = 2(x + 3)

20–4x=2x+6

20–6x=6

–6x=–14

x=14/6=7/3

3)3.2 – (5x + 7) = 2.0 – 3

3.2–5x–7=2—3

–3.8–5x=–1

–5x=2.8

x=–2.8/5

x=–0.56

Voilà j'espère que ça t'aura aidé

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