Book
Maths Puzzle
Algebra
Solve
3x-2y-6z=-4
-3x+2y+6z= 1
x- y -5z=-3
Read Solution (Total 1)
Pls check the eqns.
adding first 2 eqns, we get
0=-3 which is not correct.
10 years ago
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Book Other Question
Solve
x- 3y+ 2z=18
5x-13y+12z=80
I need to know what degrees these would be, im making a pie chart..
33.3% ,30% ,13.3% ,23.3%
or just tell me how to do it - I thought you multiply by 360 and move the decimal 2