10x+21=5x+86

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Solution for 10x+21=5x+86 equation: 



10x+21=5x+86

We move all terms to the left:

10x+21-(5x+86)=0

We get rid of parentheses

10x-5x-86+21=0

We add all the numbers together, and all the variables

5x-65=0

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

5x=65

x=65/5

x=13

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