1/2(10a+12)=a-6

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Solution for 1/2(10a+12)=a-6 equation: 


a in (-oo:+oo)

(1/2)*(10*a+12) = a-6 // - a-6

(1/2)*(10*a+12)-a+6 = 0

1/2*(10*a+12)-a+6 = 0

1/2*(10*a+12)-a+6 = 0

4*a+6+6 = 0

4*a+12 = 0

4*a+12 = 0

4*a+12 = 0 // - 12

4*a = -12 // : 4

a = -12/4

a = -3

a = -3

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