solve the above equation
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Answer: 7y - 4x = 13
-6y + 4x = 2
y = 15
Put y in eq 1
7(15) = 4x + 13
105 = 4x + 13
4x = 92
x = 23
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agpg1908:
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7y=4x+13......(1)
4x=6y+2.......(2)
Now, 4x=7y-13 for eq. 1
now as 4x=4x
therefore 7y-13=6y+2
7y-6y=13+2
y=15
and for x keeping the value of y in eq. 1
7(15)=4x+13
105-13=4x
4x=92
x=23
hence x=23 and y=15
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