7x/2-4=5 - solution

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Solution for 7x/2-4=5 equation:

x in (-oo:+oo)

(7*x)/2-4 = 5 // - 5

(7*x)/2-5-4 = 0

7/2*x-9 = 0 // + 9

7/2*x = 9 // : 7/2

x = 9/7/2

x = 18/7

x = 18/7

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