4.5=7-x

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Solution for 4.5=7-x equation: 



4.5=7-x

We move all terms to the left:

4.5-(7-x)=0

We add all the numbers together, and all the variables

-(-1x+7)+4.5=0

We get rid of parentheses

1x-7+4.5=0

We add all the numbers together, and all the variables

x-2.5=0

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

x=2.5

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