1+5a-1/2a=-7/2

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Solution for 1+5a-1/2a=-7/2 equation: 


a in (-oo:+oo)

5*a-((1/2)*a)+1 = -7/2 // + -7/2

5*a-((1/2)*a)-(-7/2)+1 = 0

5*a+(-1/2)*a+7/2+1 = 0

9/2*a+9/2 = 0 // - 9/2

9/2*a = -9/2 // : 9/2

a = -9/2/9/2

a = -1

a = -1

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