-126/a=-21

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Solution for -126/a=-21 equation: 



-126/a=-21

We move all terms to the left:

-126/a-(-21)=0



Domain of the equation: a!=0

a∈R



We add all the numbers together, and all the variables

-126/a+21=0

We multiply all the terms by the denominator


21*a-126=0

We add all the numbers together, and all the variables

21a-126=0

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

21a=126

a=126/21

a=6

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