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OpenStudy (anonymous):
Simplify the following expression. x − 4y + 5z − 3x − y + 2z = ?
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OpenStudy (anonymous):
a. 2x − 5y + 7z b. −2x − 5y − 7z c. −2x − 5y + 7z d. −2x −5y + 3z
OpenStudy (anonymous):
c
OpenStudy (anonymous):
just adding and subtracting like terms
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