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

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asked Aug 18, 2019 115k views

2 Answers

Thomas Jaggi · Answer 1 · 2019-08-24T18:02:51+0000

Hello!

When you use sum you add

-2.1x + 3.7 + 5 + 4.9x

Now you add the variables and the constants

-2.1x + 4.9x = 2.8x

3.7 + 5 = 8.7

Combine the two

2.8x + 8.7

The answer is 2.8x + 8.7

Hope this helps!

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

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