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OpenStudy (lena772):
Simplify the following expression: x - 4y + 2z - 3x - 3y + 2z = ? -2x + 7y + 4z -2x -7y + 4z -3x + 7y + 4z -3y - 7z + 4z
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OpenStudy (anonymous):
group like terms
OpenStudy (anonymous):
all \(x\)'s are one group all \(y\)'s are one group all \(z\)'s are one group
OpenStudy (anonymous):
\(x - 4y + 2z - 3x - 3y + 2z \) \(x - 3x - 4y - 3y +2z + 2z \)
OpenStudy (lena772):
-2x-7y+4z?
OpenStudy (anonymous):
Correct !
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