0.4=x/12

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Solution for 0.4=x/12 equation: 



0.4=x/12

We move all terms to the left:

0.4-(x/12)=0

We add all the numbers together, and all the variables

-(+x/12)+0.4=0

We get rid of parentheses

-x/12+0.4=0

We multiply all the terms by the denominator


-x+(0.4)*12=0

We add all the numbers together, and all the variables

-1x+4.8=0

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

-x=-4.8

x=-4.8/-1

x=4+0.8/1

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