8.1 4 Please solve. Thanks!

Algebra
Tutor: None Selected Time limit: 1 Day

May 3rd, 2015

A.   x= 6.   y= 3.    And  z= 0

Explanation:  (1) gives x = y+3.  Set x value in 2 and we get 2y -7z = 6.  Solving this and (3) z=0. And y=3

Plug in these in (1) and get x= 6

May 3rd, 2015

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May 3rd, 2015
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May 3rd, 2015
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