(X/7)+(x/9)=(9/7)

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Solution for (X/7)+(x/9)=(9/7) equation: 


x in (-oo:+oo)

X/7+x/9 = 9/7 // - 9/7

X/7+x/9-(9/7) = 0

X/7+x/9-9/7 = 0

1/7*X+1/9*x-9/7 = 0 // - 1/7*X-9/7

1/9*x = -(1/7*X-9/7) // : 1/9

x = (-(1/7*X-9/7))/1/9

x = 9*(9/7-(1/7*X))

x = 9*(9/7-(1/7*X))

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