Question

2x-3y=9,2x+y=13 by simultaneous equation

Answer 1

solution

2x - 3y= 9..... (1)
2x+ y= 13...... (2)

subtracting 1 from 2. we get,

=> -4y= -4

=> ✔y= 1✔

Now putting the valie of y in 2. we get,

=> 2x+ 1= 13

=> 2x= 12

=> ✔x= 6✔

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Answer 2

2x-3y=9--------1
2x+y= 13-------2

subtracting --------1 and -------2

-4y=-4

therefore y = 1

substitute the. value of y in ------2

2x+1=13
2x= 12
x=6