how to solve this equation 2x -3y=15; 3x + 2y =8
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2x - 3y =15
3x + 2y =8
multiply eq. 1 by 3 and eq. 2 by 2
now we get
6x - 9y =45
6x + 4y =16
- - - ( change their sign )
after that we get
-13y = 39
y = 39/13
y = -3
putting value of y in eq. 1 we get the value of 'x' that is 3
3x + 2y =8
multiply eq. 1 by 3 and eq. 2 by 2
now we get
6x - 9y =45
6x + 4y =16
- - - ( change their sign )
after that we get
-13y = 39
y = 39/13
y = -3
putting value of y in eq. 1 we get the value of 'x' that is 3
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