svp, pouvez vous m aider (x+3)*5=7x

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Grade: Education Subject: mathematiques
svp, pouvez vous m aider (x+3)*5=7x
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Best Answer
(153)
(x + 3) * 5 = 7x
5 * x + 5 * 3 = 7x
5x + 15 = 7x
5x - 7x = - 15
- 2x = - 15
x = - 15 / (- 2)
x = 7,5