Bonsoir,
3x + 5x = 8x
7x - 3x = 4x
x + 4 + 5x - 3 = 6x + 1
2 + 8x + 4 - 5x - 6 = 3x
a + 5 + a - 3 = 2a + 2
2 + b + 5 + b - 7 + b = 3b
c + d - 4 - c = d - 4
a + b + c + 5 - a + b - 4 = 2b + c + 1
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Bonsoir,
3x + 5x = 8x
7x - 3x = 4x
x + 4 + 5x - 3 = 6x + 1
2 + 8x + 4 - 5x - 6 = 3x
a + 5 + a - 3 = 2a + 2
2 + b + 5 + b - 7 + b = 3b
c + d - 4 - c = d - 4
a + b + c + 5 - a + b - 4 = 2b + c + 1