4a+1+1/2a=-13/8

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Solution for 4a+1+1/2a=-13/8 equation: 


a in (-oo:+oo)

4*a+(1/2)*a+1 = -13/8 // + -13/8

4*a+(1/2)*a-(-13/8)+1 = 0

4*a+(1/2)*a+13/8+1 = 0

9/2*a+21/8 = 0 // - 21/8

9/2*a = -21/8 // : 9/2

a = -21/8/9/2

a = -7/12

a = -7/12

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