3x_y=3 9x_3y=9 in elimination process
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3x-y=3.................1
9x-3y=9..................2
multiplying equation 1 by 3, we get
9x-3y=9..................3
by elimination method
9x-3y=9
9x-3y=9
- + - (subtracting equation 2 and 3)
0=0
as both variables x and y are cancelling
therfore this equation is having no solution
.....this is having parallel lines
9x-3y=9..................2
multiplying equation 1 by 3, we get
9x-3y=9..................3
by elimination method
9x-3y=9
9x-3y=9
- + - (subtracting equation 2 and 3)
0=0
as both variables x and y are cancelling
therfore this equation is having no solution
.....this is having parallel lines
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