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OpenStudy (4meisu):
simplify 9y - [4y-(2y-5)]
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OpenStudy (lalaly):
\[9y-4y-2y+5 = 3y+5\]
OpenStudy (4meisu):
Where did the 3y come from?
OpenStudy (lalaly):
9y-4y-2y=3y
OpenStudy (4meisu):
Wouldn't you have to multiply 4y and 2y though? Since 2y-5 is in a bracket
OpenStudy (anonymous):
9y - [4y-(2y-5)] You break [4y-(2y-5)] apart by distributing the - that is in front of it -[4y-(2y-5)] same thing with -(2z-5) once you break that apart you have 9y-4y-2y+5 = 3y+5
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OpenStudy (4meisu):
thanks guys!
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