2.5=8.1-0.7x

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Solution for 2.5=8.1-0.7x equation: 



2.5=8.1-0.7x

We move all terms to the left:

2.5-(8.1-0.7x)=0

We add all the numbers together, and all the variables

-(-0.7x+8.1)+2.5=0

We get rid of parentheses

0.7x-8.1+2.5=0

We add all the numbers together, and all the variables

0.7x-5.6=0

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

0.7x=5.6

x=5.6/0.7

x=8

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