Add: 7xy + 7yz – 6zx, -5yz + 9zx – 4y , –9xz + 5x – 2xy
1. -3x/5
2. 25/5xy
3. none of these
4. 5x/3
mms996822:
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ans is c ) none of these
Step-by-step explanation:
=7xy+7yz-6zx -5yz+9zx-4y -9xz +5x-2xy
=7xy-2xy+7yz-5yz-6zx+9zx-9xz+5x-4y
=5xy+2yz-6zx+5x-4y is the ans.
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