Question

Use the inverse matrix method to solve:
x+2y -z=10
-2x +3y+z=6
3x-2y+2z=-19
Select one:
a. |1 3 5|
b. |-1 3 -5|
c. |1 -3 5|
d. no solution

Answer 1

@kirbykirby

Answer 2

Oh boy this is a lot of work to write out here :S Hopefully this helps. If you just google "inverse matrix method" there will be lots of help. http://www.mathportal.org/algebra/solving-system-of-linear-equations/inverse-matrix-method.php h

Answer 3

ok thanks

Answer 4

@mathslover

Answer 5

The main part of this is knowing how to find the inverse of a matrix. Do you know how to do that?

Answer 6

Oh wow thanks for the testimonial =)

Answer 7

welcome I think thats right