3x=(90/2) - solution

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Solution for 3x=(90/2) equation:

x in (-oo:+oo)

3*x = 90/2 // - 90/2

3*x-(90/2) = 0

3*x-45 = 0

3*x-45 = 0 // + 45

3*x = 45 // : 3

x = 45/3

x = 15

x = 15

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