2/3(21+3a)+6(1/2+a)=-15

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Solution for 2/3(21+3a)+6(1/2+a)=-15 equation: 



2/3(21+3a)+6(1/2+a)=-15

We move all terms to the left:

2/3(21+3a)+6(1/2+a)-(-15)=0



Domain of the equation: 3(21+3a)!=0

a∈R





Domain of the equation: 2+a)!=0

We move all terms containing a to the left, all other terms to the right

a)!=-2

a!=-2/1

a!=-2

a∈R



We add all the numbers together, and all the variables

2/3(3a+21)+6(+a+1/2)-(-15)=0

We add all the numbers together, and all the variables

2/3(3a+21)+6(+a+1/2)+15=0

We multiply parentheses

2/3(3a+21)+6a+15+1/2*6=0

We calculate fractions

There is no solution for this equation

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