2x+10=x-4=21

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Solution for 2x+10=x-4=21 equation: 



2x+10=x-4=21

We move all terms to the left:

2x+10-(x-4)=0

We get rid of parentheses

2x-x+4+10=0

We add all the numbers together, and all the variables

x+14=0

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

x=-14

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