How do you solve 2(x+7)+x=20

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asked Mar 18, 2016 90.9k views

1 Answer

Jiaji Li · Answer 1 · 2016-03-23T22:29:20+0000

2(x+7) + x=20
(2)(x) + (2)(7) + x=20 Distribute
2x+14 + x =20
(2x+x) + (14) =20 Combine Like Terms
3x+14=20
- 14 -14 Subtract 14 from both sides
3x = 6
3x/3 6/3 Divide Both Sides by 3

x = 2

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How do you solve 2(x+7)+x=20

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