3x-5y=-1 and x-y=-1 solve it by substitution method
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Answered by
5
I think this is the correct answer.
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Ishanikar:
Thanks for help me but its wrong answer correct answer is x=-2and y=-1
Answered by
9
From second equation, we have
y=x+1
put this value in first equation,
we have,
3x-5(x+1)=-1
3x-5x-5=-1
-2x-5=-1
-2x=-1+5
-2x=4
x=-2
y=x+1
put this value in first equation,
we have,
3x-5(x+1)=-1
3x-5x-5=-1
-2x-5=-1
-2x=-1+5
-2x=4
x=-2
yes yes. you are right.
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