solve the following equations by using substitution and elimination method
x+2y+1=0, 2x-3y-12=0
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Answer:
Step-by-step explanation:
Multiplying first equation by 2 we get2x+4y=-2
equ1 -equ2
2x+4y=-2
-2x+3y=-12
7y=-14
y=-14/7=-2
Similarlyx=-2y-1
-2(-14/7)-1
=28/7-1
=21/7=3
Therefore x=3and y=-2
BishalChaurasiya:
it's wrong answer the answer will be 3, -2
Now it is correct
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