Book
Maths Puzzle
Algebra
How do I solve this system of linear equation in three variables?
-2x+2y+z= 15
2x+ y-2z= -14
3x-4y-3z= -32
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Book Other Question
y+x=2
2x+y=8
A farmer has a 525x525ft square plot of land that he wants to divide and fence in. In Plan A. the field becomes two right triangles and in Plan B, the field becomes two rectangles