ssmari64orgzz7 ssmari64orgzz7

21-07-2018
Mathematics

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What is the sum of (–2.1x + 3.7) and (5 + 4.9x)?

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altavistard altavistard

21-07-2018

It's easier to work with problems such as –2.1x + 3.7 -5 + 4.9x when we rearrange the like terms vertically:

–2.1x + 3.7 -5 + 4.9x

becomes

–2.1x + 3.7

+4.9x -5

------------------

2.8x - 1.3 (answer)

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