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8x - 4x + 5 - 8
4x - 3
2x - 5 - (-5x) + 2
2x + 5x - 5 + 2
7x - 3
=8x+5-4x-8
=4x-3
2. 2x-5 - (-5x+2)
=2x-5+5x-2
=7x-7
=x-1