ADD (3x+21+8z)&(8x-5-8z)
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- ( 3x + 21 + 8z ) + ( 8x - 5 - 8z )
- 3x + 21 + 8z + 8x - 5 - 8z
- 3x + 8x + 8z - 8z + 21 - 5
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2
Answer:
3x+21+8z
+8x-5-8z
=11+16+0
=11+16
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