solution set of linear eauation 2x+3y+4=0 and 5x+6y+9=0
meghasg2004:
do u need solution for graph ?
no
solution
we can get solution
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hey the answer is this may be......
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thank u for brainleist
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here is ur answer my frnd....
2x+3y=-4 ----------equation 1 --×5
5x+6y=-9 ----------equation 2 --×2
_________
10x+15y=-20
10x+12y=-18
(-). (-). (+)------change the sign
___________
3y=-2
y=-2/3
sub y =-2/3 in equation 1 or 2
2x+3(-2/3)=-4
2x-2=-4
2x=-4+2
2x=-2
x=-2/2
x=-1
hope it's help
2x+3y=-4 ----------equation 1 --×5
5x+6y=-9 ----------equation 2 --×2
_________
10x+15y=-20
10x+12y=-18
(-). (-). (+)------change the sign
___________
3y=-2
y=-2/3
sub y =-2/3 in equation 1 or 2
2x+3(-2/3)=-4
2x-2=-4
2x=-4+2
2x=-2
x=-2/2
x=-1
hope it's help
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