Posted by
**PLEASE NEED HELP** on
.

solve by addition method

x +3y +z =6

3x + y – z = -2

2x +2y – z = 1

thanks

Saturday

March 25, 2017
Posted by
**PLEASE NEED HELP** on
.

solve by addition method

x +3y +z =6

3x + y – z = -2

2x +2y – z = 1

thanks

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