Solve by substitution method
x+6y=27
7x-3y=9
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x + 6y = 27
=> x = 27 - 6y......(1)
put value of x in 7x - 3y = 9
7(27-6y) - 3y =9
=> 189 - 42y -3y =9
=> 180 = 45y
=> y=4
put y=4 in
x= 27-24
x=3...
HOPE IT HELPS YOU
=> x = 27 - 6y......(1)
put value of x in 7x - 3y = 9
7(27-6y) - 3y =9
=> 189 - 42y -3y =9
=> 180 = 45y
=> y=4
put y=4 in
x= 27-24
x=3...
HOPE IT HELPS YOU
xeon037:
thanks
Answered by
0
The ans. x=3, y=4
This should help
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