8x +5y=9 and 3x+2y=4 by using subsitution method
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8x=9-5y
X=(9-5y)/8 put this value in eqn 2
now
3(9-5y)/8+2y=4
take LCM
27-15y+16y=32
y=32-27
y =5
put the value of y in eqn 1 to get the value of X i.e
8x+5(5)=9
8X=9-25
X=-2
X=(9-5y)/8 put this value in eqn 2
now
3(9-5y)/8+2y=4
take LCM
27-15y+16y=32
y=32-27
y =5
put the value of y in eqn 1 to get the value of X i.e
8x+5(5)=9
8X=9-25
X=-2
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2
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Anonymous:
wrong answer
check it again
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