because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.
Answer from: Quest
dont trust me im no expert these losers made me fail a test bro this sucks
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Another question on Mathematics
Mathematics, 21.06.2019 13:00
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