I don't know how to do this sum !!..plz help me guys
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am sorry.................. ldont
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By substitution method
9x=52-5y
x=52-5y/9
put value of x in 2nd eq.
4(52-5y/9)-3y =27
208-5y/9 -3y = 27
208-5y-27y = 243
-32y = 243-208
-32y = 35
y = 35/-32
9x=52-5y
x=52-5y/9
put value of x in 2nd eq.
4(52-5y/9)-3y =27
208-5y/9 -3y = 27
208-5y-27y = 243
-32y = 243-208
-32y = 35
y = 35/-32
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