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Anyone can figure this one out
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Anyone can figure this one out

Anyone can figure this one out-example-1
User Zenet
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1 Answer

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17 votes

Description of error : The bracket breaking steps is wrong, 2(y+7) is not equal to 2y + 7, it's equal to 2y + 14.


Correct solution :
x = y + 7
2x + y = 8

2(y+7) + y = 8
2y + 14 + y = 8
3y = 8-14
3y = -6

y = -2.
x = y + 7

x = -6 + 7 = 1

User Wdetac
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