3.2=4.2-0.5x

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Solution for 3.2=4.2-0.5x equation: 



3.2=4.2-0.5x

We move all terms to the left:

3.2-(4.2-0.5x)=0

We add all the numbers together, and all the variables

-(-0.5x+4.2)+3.2=0

We get rid of parentheses

0.5x-4.2+3.2=0

We add all the numbers together, and all the variables

0.5x-1=0

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

0.5x=1

x=1/0.5

x=2

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