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Mathematics, 05.10.2019 18:30 pearfam98

2x+3x+4x=180
9x=180
x=20

how did they get 20, am i missing something

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Answers: 2

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You know the right answer?
2x+3x+4x=180
9x=180
x=20

how did they get 20, am i missing something...
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