5.1.2x+4.3=2.1-x

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Solution for 5.1.2x+4.3=2.1-x equation: 



5.1.2x+4.3=2.1-x

We move all terms to the left:

5.1.2x+4.3-(2.1-x)=0

We add all the numbers together, and all the variables

5.1.2x-(-1x+2.1)+4.3=0

We add all the numbers together, and all the variables

1.02x-(-1x+2.1)+4.3=0

We get rid of parentheses

1.02x+1x-2.1+4.3=0

We add all the numbers together, and all the variables

2.02x+2.2=0

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

2.02x=-2.2

x=-2.2/2.02

x=-1+0.18/2.02

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