7.The sum of xy + z and x + yz
_________ ....
a) 2(xy +z )
b) 2xy + 2z
c) x + xy + yz +z
d) xy + 2yz
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Answer:
c) x + xy + yz +z
Step-by-step explanation:
The sum of xy + z and x + yz
_x + xy + yz +z ....
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