7/10*x-3=9 - solution

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Solution for 7/10*x-3=9 equation:

x in (-oo:+oo)

(7/10)*x-3 = 9 // - 9

(7/10)*x-9-3 = 0

7/10*x-12 = 0 // + 12

7/10*x = 12 // : 7/10

x = 12/7/10

x = 120/7

x = 120/7

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