Question

x-y= 3,

x/3+y/2=6
solve x and y chapter 3 class 10 th rs agrawal​

Answer 1

Answer:

x-y =3

x/3+y/2=6

or, 2x+3y = 36

x-y=3 and2x+3y= 36 r two eqn.

x-y=3. ×3=. 3x-3y=9

2x+3y=36, 2x+3y,=36

Answer 2

x-y=3.......eq 1

x/3+y/2=6

(2x+3y)/6=6

2x+3y=36.......eq 2

by substitution method

x=3+y

2x+3y=36

substituting x by 3+y

2(3+y)+3y=36

6+2y+3y=36

5y=36-6

5y=30

y=30/5

y=6

x=3+y

x=3+6

x=9

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