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Mathematics 12 Online
OpenStudy (anonymous):

3X=9-6y 3x+8y=9

jhonyy9 (jhonyy9):

so you need to solve it for x and y ,yes ?

jhonyy9 (jhonyy9):

so rearrange 3x +6y =9 3x +8y = 9

jhonyy9 (jhonyy9):

than you subtract second from first you will get 3x-3x +6y-8y = 9-9 ye ? can you continue ?

jhonyy9 (jhonyy9):

so will get -2y= 0 y = 0

jhonyy9 (jhonyy9):

than 3x+6*0 = 9 3x=9 x= 9/3 x = 3

jhonyy9 (jhonyy9):

hope you understand it now easy

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