a-9/13=-21

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Solution for a-9/13=-21 equation: 



a-9/13=-21

We move all terms to the left:

a-9/13-(-21)=0

We add all the numbers together, and all the variables

a+21-9/13=0

We multiply all the terms by the denominator


a*13-9+21*13=0

We add all the numbers together, and all the variables

a*13+264=0

Wy multiply elements

13a+264=0

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

13a=-264

a=-264/13

a=-20+4/13

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