3x – 5 = 8x +7
S’il vous plaît :)

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Grade: Education Subject: mathematiques
3x – 5 = 8x +7
S’il vous plaît :)
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bonsoir

3 x - 5  = 8 x + 7

3 x - 8 x = 7 + 5

- 5 x = 12

x = - 12/5