Bonjour
2x + 9 = 3 (1 - x)
2x + 9 = 3 - 3x
2x + 3x = - 9 + 3
5x = - 6
x = - 6/5.
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Bonjour
2x + 9 = 3 (1 - x)
2x + 9 = 3 - 3x
2x + 3x = - 9 + 3
5x = - 6
x = - 6/5.