21+4x=0.5x+1

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Solution for 21+4x=0.5x+1 equation: 



21+4x=0.5x+1

We move all terms to the left:

21+4x-(0.5x+1)=0

We get rid of parentheses

4x-0.5x-1+21=0

We add all the numbers together, and all the variables

3.5x+20=0

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

3.5x=-20

x=-20/3.5

x=-5+2.5/3.5

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