How would I simplify this problem?

👨🏻‍🏫 學術台數學

[匿名]

2014-01-07 8:21 am

2(r+3)+3(r+7)-10

更新1:

I got 5r 17 just wondering if it's correct or not

更新2:

*5r 17

回答 (6)

[匿名]

2014-01-07 1:01 pm

2(r + 3) + 3(r + 7) - 10 simplifies to
2r + 6 + 3r + 21 - 10 simplifies to
5r + 27 - 10 simplifies to
5r + 17.

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Yahoo Girl

2014-01-07 12:07 pm

2(r+3)+3(r+7)-10
=2r+6 + 3r+21-10
=5r+17

Therefore, you are correct. :)

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[匿名]

2014-01-07 8:33 am

you're correct it's 5r+17

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[匿名]

2014-01-07 8:26 am

It is :)

2r+ 6 + 3r + 21 - 10 = 5r + 17

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[匿名]

2014-01-07 8:24 am

if you mean 5r+17 then it is correct. :)

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[匿名]

2014-01-07 8:23 am

it is

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