Solve:- 6x + 5y = 11 ; 9x + 15/2 y = 21
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6x+5y=11. -------(1)
9x+15/2. y =21
18x+15y=42. -------(2)
then we multiply equation (1)to 3 and subtract it from equation (2)
we get 18x+15y=42 subtracted by 18x+15y=33
0=7
I think it is right
9x+15/2. y =21
18x+15y=42. -------(2)
then we multiply equation (1)to 3 and subtract it from equation (2)
we get 18x+15y=42 subtracted by 18x+15y=33
0=7
I think it is right
Answered by
3
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