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Mathematics 13 Online
OpenStudy (anonymous):

Eliminate the “z” variable in the last two equations by finding opposite coefficients and adding. What is the resulting equation? x + 3y + 2z = –16 2x – y + 2z = –15 2x – 2y – z = 1

Parth (parthkohli):

• Multiply the third equation by 2. • Add equations (2) and (3).

OpenStudy (anonymous):

? what i'm rlly bad at math:( could you please show me?

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