7u-9/5=2u - solution

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Solution for 7u-9/5=2u equation:

u in (-oo:+oo)

7*u-(9/5) = 2*u // - 2*u

7*u-(2*u)-(9/5) = 0

7*u-2*u-9/5 = 0

5*u-9/5 = 0 // + 9/5

5*u = 9/5 // : 5

u = 9/5/5

u = 9/25

u = 9/25

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