4*1.2-1.2x+3.4x=8.1

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Solution for 4*1.2-1.2x+3.4x=8.1 equation: 



4*1.2-1.2x+3.4x=8.1

We move all terms to the left:

4*1.2-1.2x+3.4x-(8.1)=0

We add all the numbers together, and all the variables

2.2x-3.3=0

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

2.2x=3.3

x=3.3/2.2

x=1+1/2

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