bonjour
C)
4x-1 -6x -9= -2x -10
D)
4+3x -5 = 3x -1
E)
-5x -6 -9= -5x -15
-(-) =>+
-(+) => -
+(+) => +
+(-)=>-
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bonjour
C)
4x-1 -6x -9= -2x -10
D)
4+3x -5 = 3x -1
E)
-5x -6 -9= -5x -15
-(-) =>+
-(+) => -
+(+) => +
+(-)=>-