Asked by Sue

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!!!
Answered by Damon
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
Answered by Sue
are you sure 9 and 2 is right??
Answered by Damon
No careless
sum =
-3.5 + 5 -4.5
- 1 - 2 + 2
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