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28-04-2022
Mathematics

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Simplify the following expression: (7x - 9y) + (2x - 7) - (-x + 5)

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Heesangwekaoi Heesangwekaoi

28-04-2022

Step-by-step explanation:

= ( 7x - 9y ) + ( 2x - 7 ) - ( -x + 5 )

= 7x - 9y + 2x - 7 + x - 5

= 7x + 2x + x - 9y - 7 - 5

= 10x - 9y - 12

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