1/2(a+5)=7.5

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Solution for 1/2(a+5)=7.5 equation: 


a in (-oo:+oo)

(1/2)*(a+5) = 7.5 // - 7.5

(1/2)*(a+5)-7.5 = 0

1/2*(a+5)-7.5 = 0

1/2*(a+5)-7.5 = 0

1/2*a-5 = 0

1/2*a-5 = 0

1/2*a-5 = 0 // + 5

1/2*a = 5 // : 1/2

a = 5/1/2

a = 10

a = 10

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