Solve the system : 2t+3u = 14   t-5u = -3

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justaguide eNotes educator | Certified Educator

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We have to find t and u using the equations

2t + 3u = 14 ...(1)

t - 5u = -3 ...(2)

(1) - 2*(2)

=> 2t + 3u - 2t + 10u = 14 + 6

=> 13u = 20

=> u = 20/13

substituting u= 20/13 in (2)

=> t = -3 + 100/13

=> t = 61/13

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