10x-7=8x+21

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Solution for 10x-7=8x+21 equation: 



10x-7=8x+21

We move all terms to the left:

10x-7-(8x+21)=0

We get rid of parentheses

10x-8x-21-7=0

We add all the numbers together, and all the variables

2x-28=0

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

2x=28

x=28/2

x=14

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