3x-27=-0.4x+12

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Solution for 3x-27=-0.4x+12 equation: 



3x-27=-0.4x+12

We move all terms to the left:

3x-27-(-0.4x+12)=0

We get rid of parentheses

3x+0.4x-12-27=0

We add all the numbers together, and all the variables

3.4x-39=0

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

3.4x=39

x=39/3.4

x=11+1/2.125

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