-21x=9/2

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Solution for -21x=9/2 equation: 



-21x=9/2

We move all terms to the left:

-21x-(9/2)=0

We add all the numbers together, and all the variables

-21x-(+9/2)=0

We get rid of parentheses

-21x-9/2=0

We multiply all the terms by the denominator


-21x*2-9=0

Wy multiply elements

-42x-9=0

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

-42x=9

x=9/-42

x=-3/14

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