Add using horizontal method: (xy-yz +2):(2yz + xy-9) and (3xy+3yz + 10)
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Step-by-step explanation:
( xy + x y + 3xy ) +( -yz +2yz + 3yz ) + ( 2 - 7 + 3 )
xy + xy + 3xy -yz +2yz +3yz +2-7+3
5xy +4yz -2
Step-by-step explanation:
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