34
A = 7x+ 5x + 4 + 2x = 14x + 4
B = 8x + 10x - 6x + 4x = 16x (22x - 6x = 16x)
C = -4x - 2x - 3 + 7x = x - 3
et D = -9x + 5
37 - énoncé coupé..
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34
A = 7x+ 5x + 4 + 2x = 14x + 4
B = 8x + 10x - 6x + 4x = 16x (22x - 6x = 16x)
C = -4x - 2x - 3 + 7x = x - 3
et D = -9x + 5
37 - énoncé coupé..