Bonjour merci d'avance
Développe et réduis les expressions
A= 3(2x - 6 ) - (3 - 5x )
B= (5 - 2x ) -2 ( 7 - x )
Développe et réduis les expressions
A= 3(2x - 6 ) - (3 - 5x )
B= (5 - 2x ) -2 ( 7 - x )
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Verified answer
Bonjoura = 6 x - 18 - 3 + 5 x = 11 x - 21
b = 5 - 2 x - 14 + 2 x = - 9
Verified answer
Bonjour,A= 3(2x - 6 ) - (3 - 5x )
A = 6x - 18 - 3 + 5x
A = 6x + 5x - 18 - 3
A = 11x - 21
B= (5 - 2x ) -2 ( 7 - x )
B = 5 - 2x - 14 + 2x
B = - 2x + 2x + 5 - 14
B = - 9