8x+21=x+35

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Solution for 8x+21=x+35 equation: 



8x+21=x+35

We move all terms to the left:

8x+21-(x+35)=0

We get rid of parentheses

8x-x-35+21=0

We add all the numbers together, and all the variables

7x-14=0

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

7x=14

x=14/7

x=2

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