Bonjour
3x + 7 2x - 4 5x + 1 10x + 4
6x - 10 x + 9 8x - 3 15x - 4
9x - 3 3x + 5 13x - 2 25x
3x + 7 + 2x - 4 + 5x + 1
= 3x + 2x + 5x + 7 + 1 - 4
= 10x + 4
6x - 10 + x + 9 + 8x - 3
= 6x + x + 8x - 10 - 3 + 9
= 15x - 4
9x - 3 + 3x + 5 + 13x - 2
= 9x + 3x + 13x - 3 - 2 + 5
= 25x
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Bonjour
3x + 7 2x - 4 5x + 1 10x + 4
6x - 10 x + 9 8x - 3 15x - 4
9x - 3 3x + 5 13x - 2 25x
3x + 7 + 2x - 4 + 5x + 1
= 3x + 2x + 5x + 7 + 1 - 4
= 10x + 4
6x - 10 + x + 9 + 8x - 3
= 6x + x + 8x - 10 - 3 + 9
= 15x - 4
9x - 3 + 3x + 5 + 13x - 2
= 9x + 3x + 13x - 3 - 2 + 5
= 25x