129=x+7.1

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Solution for 129=x+7.1 equation: 



129=x+7.1

We move all terms to the left:

129-(x+7.1)=0

We get rid of parentheses

-x-7.1+129=0

We add all the numbers together, and all the variables

-1x+121.9=0

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

-x=-121.9

x=-121.9/-1

x=121+0.9/1

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