2x-21=-11

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Solution for 2x-21=-11 equation: 



2x-21=-11

We move all terms to the left:

2x-21-(-11)=0

We add all the numbers together, and all the variables

2x-10=0

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

2x=10

x=10/2

x=5

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