5x/9-2x/9=7

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


x in (-oo:+oo)

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

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

(5*x)/9+(-2/9)*x-7 = 0

1/3*x-7 = 0 // + 7

1/3*x = 7 // : 1/3

x = 7/1/3

x = 21

x = 21

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