0.55x+0.45(4-x)=0.2(-1)

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Solution for 0.55x+0.45(4-x)=0.2(-1) equation: 



0.55x+0.45(4-x)=0.2(-1)

We move all terms to the left:

0.55x+0.45(4-x)-(0.2(-1))=0

We add all the numbers together, and all the variables

0.55x+0.45(-1x+4)-(0.2(-1))=0

We add all the numbers together, and all the variables

0.55x+0.45(-1x+4)+0.2=0

We multiply parentheses

0.55x-0.45x+1.8+0.2=0

We add all the numbers together, and all the variables

0.1x+2=0

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

0.1x=-2

x=-2/0.1

x=-20

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