7x-9=-15/4 - solution

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Solution for 7x-9=-15/4 equation:

x in (-oo:+oo)

7*x-9 = -15/4 // + -15/4

7*x-(-15/4)-9 = 0

7*x+15/4-9 = 0

7*x-21/4 = 0 // + 21/4

7*x = 21/4 // : 7

x = 21/4/7

x = 3/4

x = 3/4

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