-42a-3=1/210-2a

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Solution for -42a-3=1/210-2a equation: 



-42a-3=1/210-2a

We move all terms to the left:

-42a-3-(1/210-2a)=0



Domain of the equation: 210-2a)!=0

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

-2a)!=-210

a!=-210/1

a!=-210

a∈R



We add all the numbers together, and all the variables

-42a-(-2a+1/210)-3=0

We get rid of parentheses

-42a+2a-3-1/210=0

We multiply all the terms by the denominator


-42a*210+2a*210-1-3*210=0

We add all the numbers together, and all the variables

-42a*210+2a*210-631=0

Wy multiply elements

-8820a+420a-631=0

We add all the numbers together, and all the variables

-8400a-631=0

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

-8400a=631

a=631/-8400

a=-631/8400

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