bonjour,
4x = 3 (4 - x)
4x = 12 -3x
4x+3x = 12
7x = 12
x= 12/7
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bonjour,
4x = 3 (4 - x)
4x = 12 -3x
4x+3x = 12
7x = 12
x= 12/7