Bonjour,
[tex]4-(2x+3)=4-2x-3=-2x+1\\4+(2x+3)=4+2x+3=2x+7\\4-(-2x+3)=4+2x-3=2x+1\\4+(-2x-3)=4-2x-3=-2x+1[/tex]
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Bonjour,
[tex]4-(2x+3)=4-2x-3=-2x+1\\4+(2x+3)=4+2x+3=2x+7\\4-(-2x+3)=4+2x-3=2x+1\\4+(-2x-3)=4-2x-3=-2x+1[/tex]