21+7x=27-6.5x

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Solution for 21+7x=27-6.5x equation: 



21+7x=27-6.5x

We move all terms to the left:

21+7x-(27-6.5x)=0

We add all the numbers together, and all the variables

7x-(-6.5x+27)+21=0

We get rid of parentheses

7x+6.5x-27+21=0

We add all the numbers together, and all the variables

13.5x-6=0

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

13.5x=6

x=6/13.5

x=6/13.5

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