Question

Find value of x and y if 5x+3y=9 and 2x-3y=12

Answer 1

Answer:

5x+3y=9

2x-3y=12

7x=21

x=21/7 =3

therefore, x=3

5x+3y=9

5(3)+3y=9

15+3y=9

3y=9-15

3y=-6

y=-6/3=-2

therefore, y=-2

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