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mamaluj [8]
3 years ago
15

Help me please 3 and 4

Mathematics
1 answer:
hoa [83]3 years ago
8 0
On number 3 you multiply the number on the outside of the “( )” by the numbers on the inside of the “( )” so 0.5(12m)-0.5(22n)

Number 4 you do the same... 2/3(18x)+2/3(6z) then you multiply those and then add the answers together.
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