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Mathematics 7 Online
OpenStudy (lena772):

Simplify the following expression: x - 4y + 2z - 3x - 3y + 2z = ? -2x + 7y + 4z -2x -7y + 4z -3x + 7y + 4z -3y - 7z + 4z

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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