7x-21=11

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Solution for 7x-21=11 equation: 



7x-21=11

We move all terms to the left:

7x-21-(11)=0

We add all the numbers together, and all the variables

7x-32=0

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

7x=32

x=32/7

x=4+4/7

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