Question

2x-3y=4;3y-x=4 sol it​

Answer 1

Answer:

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Answer 2

Answer:

x = 8 , y = 4

Step-by-step explanation:

2x-3y = 3y-x =

2x-3y=4

2x-3y+3y=4+3y                 ( adding 3y to both the sides )

= 2x = 4+3y

2x/2 = 4/2+3y/2                 ( dividing both the sides by 2 )

= x = 4+3y/2                

isolate x for 2x-3y= 4  : x = 4+3y/2      

substitute x

= 3y - 4+3y/2      = 4

= - 4+3y/2      = 4        

2(- 4+3y)/2  = 4*2                   ( multiplying both the sides by 2)

-4 + 3y = 8

3y = 12

y = 4

to find x , putting value for y in the eq. 2x-3y = 4

we get,    2x - 3(4) = 4

2x - 12 = 4

2x = 16

x = 8

x = 8 , y = 4

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