Ответ:
1. 4x+8-8+4x-4x-3=4x-3
2. 5x+15-3+3x-x-3=7x+9
3. 2x+8-8+4x-4x-2x-1=-1
4.4x+4-5+x-x-3=4x-4
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Answers & Comments
Ответ:
1. 4x+8-8+4x-4x-3=4x-3
2. 5x+15-3+3x-x-3=7x+9
3. 2x+8-8+4x-4x-2x-1=-1
4.4x+4-5+x-x-3=4x-4