Hello
A = 3*x +3*6 + 2 = 3x + 20
B = 4 + 3( 2y -2) = 4 + 6y - 6 = -2 + 6y
C = 7 ( 2x + 2 ) - 6 = 14x + 14 - 6 = 14x + 8
D = 9(x-6) + 2x = 9x - 54 + 2x = 11x - 54
E c'est pour toi !
bonne journée
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Hello
A = 3*x +3*6 + 2 = 3x + 20
B = 4 + 3( 2y -2) = 4 + 6y - 6 = -2 + 6y
C = 7 ( 2x + 2 ) - 6 = 14x + 14 - 6 = 14x + 8
D = 9(x-6) + 2x = 9x - 54 + 2x = 11x - 54
E c'est pour toi !
bonne journée