-21/2(2a-4=-15

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Solution for -21/2(2a-4=-15 equation: 



-21/2(2a-4=-15

We move all terms to the left:

-21/2(2a-4-(-15)=0



Domain of the equation: 2(2a-4-(-15)!=0

a∈R



We multiply all the terms by the denominator


-21!=0

There is no solution for this equation

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