-15.12=4.2x

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Solution for -15.12=4.2x equation: 



-15.12=4.2x

We move all terms to the left:

-15.12-(4.2x)=0

We add all the numbers together, and all the variables

-(+4.2x)-15.12=0

We get rid of parentheses

-4.2x-15.12=0

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

-4.2x=15.12

x=15.12/-4.2

x=-3+1/1.66666666667

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