Question

3x+2y=7, 2x-3y=6 in substitute method

Answer 1

Answer:

multiply 3x+2y=7 by 2 and 2x-3y=6 by 3

we get

6x+4y=14 and 6x-9y=6

by eliminating method ,we get

y =8/13

put value of y in 3x+2y=7

we get value of x

x=25/13

Answer 2

3x+2y=7........(1)

2x-3y=6........(2)

multiplying (1)×2 ... =6x+4y=14.......(3)

(2)×3.....= 6x-9y =18.... (4)

then solve eqn (3) we get 6x= 14-4y

then substitute the value of 6x in eqn (4)

therefore

y=8/13

and x= 25/13

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