Solve by elimination method
i) x + y = 5 and 2x - 3y = 4
ii) 3x - 5y -4 = 0 and 9x = 2y + 7
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Answered by
4
1). x+y=5
2x-3y=4
multiply eq 1 by 2 then the eq can be written as
2x+2y=10
2x-3y=4
(-) (+). (-)
5y= 6
y =6/5
2x-3y=4
multiply eq 1 by 2 then the eq can be written as
2x+2y=10
2x-3y=4
(-) (+). (-)
5y= 6
y =6/5
Answered by
2
This is the required solution of the equation
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