5(x-1)-2(2x-1)=3-x .
Mathématiques
saberdegiv
Question
5(x-1)-2(2x-1)=3-x .
2 Réponse
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1. Réponse MichaelS
5(x-1) - 2(2x-1) = 3 - x
5x - 5 - 4x + 2 = 3 - x
x - 3 = 3 - x
2x = 6
x = 3 -
2. Réponse maudmarine
5(x - 1) - 2 (2x - 1) = 3 - x 5x - 5 - 4x + 2 = 3 - x
5x - 4x + x = 5 - 2 + 3
2x = 6
x = 6/2
x = 3