0.5x+5.5=21-x

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Solution for 0.5x+5.5=21-x equation: 



0.5x+5.5=21-x

We move all terms to the left:

0.5x+5.5-(21-x)=0

We add all the numbers together, and all the variables

0.5x-(-1x+21)+5.5=0

We get rid of parentheses

0.5x+1x-21+5.5=0

We add all the numbers together, and all the variables

1.5x-15.5=0

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

1.5x=15.5

x=15.5/1.5

x=10+0.5/1.5

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