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11-11-2020
Mathematics

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x+5y+2-7xx + 5 y + 2y − 7x

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jackscally79 jackscally79

11-11-2020

x + 5y + 2 - 7x + 5y + 2y - 7x

First collect like terms (the numbers that have the same letters after them):

x - 7x - 7x = -13x

5y + 5y + 2y = 12y

Then put these back into the expression:

2 - 13x + 12y

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