Question

Solve the pair of linear equation by substitution method
5x-6y=16,2x-2y=2

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Answer 1

Answer:

5x-6y=16................(1)

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

simply eqn 2 as shown below

x-y=1 ...............(3)

multiply eqn 3 by 6

6x-6y=6................(4)

subtract (eqn 1 - eqn4)

-x=10

so x=-10

put x=10 in eqn 3

-10-y=1

-y=11

so y=-11

there fore x=-10 and y=-11

hope it helps...

Answer 2

Answer:

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