2/5x-9=-7 - solution

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

x in (-oo:+oo)

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

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

2/5*x-2 = 0 // + 2

2/5*x = 2 // : 2/5

x = 2/2/5

x = 5

x = 5

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