Question

7x-5y=11
7x +3y = -1​

Answer 1

Answer:

x=1/2 and y=-3/2

Step-by-step explanation:

7x-5y=11---------------------------(i)

7x+3y=-1---------------------------(ii)

by using elimination method we have,

-8y=12

y=-3/2

putting value of y in (i)

7x-5*-3/2=11

7x+15/2=11

7x=22-15/2

x=1/2

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Answer 2

Answer:

x=1/14 and y= - 3/2

Step-by-step explanation:

-8y=12

y=12/-8

y= - 3/2

7x+3(-3/2)= - 1

7x= - 1 +3/2

x=1/14