Bonjour,
-x-(8-7x)+5x = -x-8+7x+5x = 11x-8
(4x-7)-(2x-5)+2(8-4x) = 4x-7-2x+5+16-8x = 14-6x
développer et réduire ces expressions:
A) -x-(8-7x)+5x= -x-8+7x+5x= 11x-8
B) (4x-7)-(2x-5)+2(8-4x)= 4x-7-2x+5+16-8x= -6x+14
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Bonjour,
-x-(8-7x)+5x = -x-8+7x+5x = 11x-8
(4x-7)-(2x-5)+2(8-4x) = 4x-7-2x+5+16-8x = 14-6x
Bonjour,
développer et réduire ces expressions:
A) -x-(8-7x)+5x= -x-8+7x+5x= 11x-8
B) (4x-7)-(2x-5)+2(8-4x)= 4x-7-2x+5+16-8x= -6x+14