Posted by **Sue** on Tuesday, March 22, 2011 at 6:57pm.

Can someone please help me with this problem.

Given Matrix Y= 2 -7 4 and

-1 1 0

Matrix Z= 3 4 1

4 2 -4

Solve for matrix X.

X-2Y=3X+Z

HELP PLEASE!!!

- Algebra II -
**Damon**, Tuesday, March 22, 2011 at 7:11pm
2 X = -2Y - Z

X = -Y - Z/2

-Y =

-2 +7 -4

+1 -1 +0

-Z/2 =

-3/2 -2/1 -1/2

-2/1 -1/1 +2/1

sum =

-3.5 + 9 -4.5

- 1 - 2 +2

- Algebra II -
**Sue**, Tuesday, March 22, 2011 at 7:51pm
are you sure 9 and 2 is right??

- Algebra II -
**Damon**, Tuesday, March 22, 2011 at 8:29pm
No careless

sum =

-3.5 + 5 -4.5

- 1 - 2 + 2

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