(3x)/3=(a-1)/3

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Solution for (3x)/3=(a-1)/3 equation: 


x in (-oo:+oo)

(3*x)/3 = (a-1)/3 // - (a-1)/3

(3*x)/3-((a-1)/3) = 0

(-1*(a-1))/3+x = 0

(-1*(a-1))/3+(3*x)/3 = 0

3*x-1*(a-1) = 0

3*x-a+1 = 0

(3*x-a+1)/3 = 0

(3*x-a+1)/3 = 0 // * 3

3*x-a+1 = 0

3*x-a+1 = 0 // - 1-a

3*x = -(1-a) // : 3

x = (-(1-a))/3

x = (a-1)/3

x = (a-1)/3

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