21+8x-2=12x-1

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Solution for 21+8x-2=12x-1 equation: 



21+8x-2=12x-1

We move all terms to the left:

21+8x-2-(12x-1)=0

We add all the numbers together, and all the variables

8x-(12x-1)+19=0

We get rid of parentheses

8x-12x+1+19=0

We add all the numbers together, and all the variables

-4x+20=0

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

-4x=-20

x=-20/-4

x=+5

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