8x+3-2x=8x+21

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Solution for 8x+3-2x=8x+21 equation: 



8x+3-2x=8x+21

We move all terms to the left:

8x+3-2x-(8x+21)=0

We add all the numbers together, and all the variables

6x-(8x+21)+3=0

We get rid of parentheses

6x-8x-21+3=0

We add all the numbers together, and all the variables

-2x-18=0

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

-2x=18

x=18/-2

x=-9

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