Question

9x -10y=-12
and 2x+3y=13 solve this by using graphical method

Answer 1

Answer:

9x-10y=-12______1

2x+3y=13_______2

1और 2से

18x-20y=-24

18x+27y=117

- - -

__________

0. -47y=-141

y=141\47

y के मान समीकरण 2 में रखनें पर

2x+3×141\47=13

2x+423\47=13

2x=13\423\47

2x=13\1×47\423

2x=611\423

x=611\423\2

x=611\1×2\423

x=1222\423