Question

Solve the following systems by Elmination by Substitution method.
2x+3y=5 ; 3x+2y=10
Answer x= 4 , y= -1
(class 10th)

Answer 1

solution

multiply 1 by 3 & 2 by 2, then we get.

6x+ 9y= 15.... (3)
& 6x+ 4y= 20....(4)

Now, subtract it.

=> 5y= -5

=> ✔y= -1✔

now, putting the value of y in 2.we get

=>3x+ 2(-1)= 10

=> 3x= 12

=> ✔x= 4✔

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hope it helps☺✌✌

Answer 2

there it is..................